uboot-envtools: update to 2022.07
Update to latest version. Remove upstreamed patches: - 100-fw_env-make-flash_io-take-buffer-as-an-argument.patch - 101-fw_env-simplify-logic-code-paths-in-the-fw_env_open.patch - 102-fw_env-add-fallback-to-Linux-s-NVMEM-based-access.patch Signed-off-by: Nick Hainke <vincent@systemli.org>
This commit is contained in:
Nick Hainke
Hauke Mehrtens
parent
3a702f8733
commit
f1b5ed3143
@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
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PKG_NAME:=uboot-envtools
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PKG_NAME:=uboot-envtools
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PKG_DISTNAME:=u-boot
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PKG_DISTNAME:=u-boot
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PKG_VERSION:=2022.01
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PKG_VERSION:=2022.07
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PKG_RELEASE:=$(AUTORELEASE)
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PKG_RELEASE:=$(AUTORELEASE)
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PKG_SOURCE:=$(PKG_DISTNAME)-$(PKG_VERSION).tar.bz2
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PKG_SOURCE:=$(PKG_DISTNAME)-$(PKG_VERSION).tar.bz2
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@ -17,7 +17,7 @@ PKG_SOURCE_URL:= \
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https://ftp.denx.de/pub/u-boot \
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https://ftp.denx.de/pub/u-boot \
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https://mirror.cyberbits.eu/u-boot \
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https://mirror.cyberbits.eu/u-boot \
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ftp://ftp.denx.de/pub/u-boot
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ftp://ftp.denx.de/pub/u-boot
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PKG_HASH:=81b4543227db228c03f8a1bf5ddbc813b0bb8f6555ce46064ef721a6fc680413
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PKG_HASH:=92b08eb49c24da14c1adbf70a71ae8f37cc53eeb4230e859ad8b6733d13dcf5e
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PKG_SOURCE_SUBDIR:=$(PKG_DISTNAME)-$(PKG_VERSION)
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PKG_SOURCE_SUBDIR:=$(PKG_DISTNAME)-$(PKG_VERSION)
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PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_DISTNAME)-$(PKG_VERSION)
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PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_DISTNAME)-$(PKG_VERSION)
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@ -1,144 +0,0 @@
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From f178f7c9550c4fd9c644f79a1eb2dafa5bcdce25 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Wed, 12 Jan 2022 12:47:05 +0100
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Subject: [PATCH] fw_env: make flash_io() take buffer as an argument
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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It's usually easier to understand code & follow it if all arguments are
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passed explicitly. Many coding styles also discourage using global
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variables.
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Behaviour of flash_io() was a bit unintuitive as it was writing to a
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buffer referenced in a global struct. That required developers to
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remember how it works and sometimes required hacking "environment"
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global struct variable to read data into a proper buffer.
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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---
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tools/env/fw_env.c | 32 ++++++++++++++++----------------
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1 file changed, 16 insertions(+), 16 deletions(-)
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--- a/tools/env/fw_env.c
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+++ b/tools/env/fw_env.c
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@@ -346,7 +346,7 @@ static int ubi_write(int fd, const void
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return 0;
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}
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-static int flash_io(int mode);
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+static int flash_io(int mode, void *buf, size_t count);
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static int parse_config(struct env_opts *opts);
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#if defined(CONFIG_FILE)
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@@ -516,7 +516,7 @@ int fw_env_flush(struct env_opts *opts)
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*environment.crc = crc32(0, (uint8_t *) environment.data, ENV_SIZE);
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/* write environment back to flash */
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- if (flash_io(O_RDWR)) {
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+ if (flash_io(O_RDWR, environment.image, CUR_ENVSIZE)) {
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fprintf(stderr, "Error: can't write fw_env to flash\n");
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return -1;
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}
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@@ -1185,7 +1185,8 @@ static int flash_flag_obsolete(int dev,
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return rc;
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}
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-static int flash_write(int fd_current, int fd_target, int dev_target)
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+static int flash_write(int fd_current, int fd_target, int dev_target, void *buf,
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+ size_t count)
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{
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int rc;
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@@ -1212,11 +1213,10 @@ static int flash_write(int fd_current, i
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if (IS_UBI(dev_target)) {
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if (ubi_update_start(fd_target, CUR_ENVSIZE) < 0)
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return -1;
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- return ubi_write(fd_target, environment.image, CUR_ENVSIZE);
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+ return ubi_write(fd_target, buf, count);
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}
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- rc = flash_write_buf(dev_target, fd_target, environment.image,
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- CUR_ENVSIZE);
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+ rc = flash_write_buf(dev_target, fd_target, buf, count);
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if (rc < 0)
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return rc;
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@@ -1235,17 +1235,17 @@ static int flash_write(int fd_current, i
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return 0;
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}
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-static int flash_read(int fd)
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+static int flash_read(int fd, void *buf, size_t count)
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{
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int rc;
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if (IS_UBI(dev_current)) {
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DEVTYPE(dev_current) = MTD_ABSENT;
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- return ubi_read(fd, environment.image, CUR_ENVSIZE);
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+ return ubi_read(fd, buf, count);
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}
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- rc = flash_read_buf(dev_current, fd, environment.image, CUR_ENVSIZE,
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+ rc = flash_read_buf(dev_current, fd, buf, count,
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DEVOFFSET(dev_current));
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if (rc != CUR_ENVSIZE)
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return -1;
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@@ -1291,7 +1291,7 @@ err:
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return rc;
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}
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-static int flash_io_write(int fd_current)
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+static int flash_io_write(int fd_current, void *buf, size_t count)
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{
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int fd_target = -1, rc, dev_target;
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const char *dname, *target_temp = NULL;
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@@ -1322,7 +1322,7 @@ static int flash_io_write(int fd_current
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fd_target = fd_current;
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}
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- rc = flash_write(fd_current, fd_target, dev_target);
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+ rc = flash_write(fd_current, fd_target, dev_target, buf, count);
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if (fsync(fd_current) && !(errno == EINVAL || errno == EROFS)) {
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fprintf(stderr,
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@@ -1377,7 +1377,7 @@ static int flash_io_write(int fd_current
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return rc;
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}
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-static int flash_io(int mode)
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+static int flash_io(int mode, void *buf, size_t count)
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{
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int fd_current, rc;
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@@ -1391,9 +1391,9 @@ static int flash_io(int mode)
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}
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if (mode == O_RDWR) {
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- rc = flash_io_write(fd_current);
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+ rc = flash_io_write(fd_current, buf, count);
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} else {
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- rc = flash_read(fd_current);
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+ rc = flash_read(fd_current, buf, count);
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}
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if (close(fd_current)) {
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@@ -1455,7 +1455,7 @@ int fw_env_open(struct env_opts *opts)
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}
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dev_current = 0;
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- if (flash_io(O_RDONLY)) {
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+ if (flash_io(O_RDONLY, environment.image, CUR_ENVSIZE)) {
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ret = -EIO;
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goto open_cleanup;
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}
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@@ -1490,7 +1490,7 @@ int fw_env_open(struct env_opts *opts)
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* other pointers in environment still point inside addr0
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*/
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environment.image = addr1;
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- if (flash_io(O_RDONLY)) {
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+ if (flash_io(O_RDONLY, environment.image, CUR_ENVSIZE)) {
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ret = -EIO;
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goto open_cleanup;
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}
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@ -1,173 +0,0 @@
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From 07c79dd5fdeaefb39c9e7a97f3b66de63109a18d Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Wed, 12 Jan 2022 12:47:06 +0100
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Subject: [PATCH] fw_env: simplify logic & code paths in the fw_env_open()
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Environment variables can be stored in two formats:
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1. Single entry with header containing CRC32
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2. Two entries with extra flags field in each entry header
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For that reason fw_env_open() has two main code paths and there are
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pointers for CRC32/flags/data.
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Previous implementation was a bit hard to follow:
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1. It was checking for used format twice (in reversed order each time)
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2. It was setting "environment" global struct fields to some temporary
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values that required extra comments explaining it
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This change simplifies that code:
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1. It introduces two clear code paths
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2. It sets "environment" global struct fields values only once it really
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knows them
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To be fair there are *two* crc32() calls now and an extra pointer
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variable but that should be cheap enough and worth it.
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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---
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tools/env/fw_env.c | 77 +++++++++++++++++++---------------------------
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1 file changed, 31 insertions(+), 46 deletions(-)
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--- a/tools/env/fw_env.c
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+++ b/tools/env/fw_env.c
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@@ -1421,9 +1421,6 @@ int fw_env_open(struct env_opts *opts)
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int ret;
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- struct env_image_single *single;
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- struct env_image_redundant *redundant;
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-
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if (!opts)
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opts = &default_opts;
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@@ -1439,40 +1436,37 @@ int fw_env_open(struct env_opts *opts)
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goto open_cleanup;
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}
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- /* read environment from FLASH to local buffer */
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- environment.image = addr0;
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-
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- if (have_redund_env) {
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- redundant = addr0;
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- environment.crc = &redundant->crc;
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- environment.flags = &redundant->flags;
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- environment.data = redundant->data;
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- } else {
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- single = addr0;
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- environment.crc = &single->crc;
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- environment.flags = NULL;
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- environment.data = single->data;
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- }
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-
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dev_current = 0;
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- if (flash_io(O_RDONLY, environment.image, CUR_ENVSIZE)) {
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+ if (flash_io(O_RDONLY, addr0, CUR_ENVSIZE)) {
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ret = -EIO;
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goto open_cleanup;
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}
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- crc0 = crc32(0, (uint8_t *)environment.data, ENV_SIZE);
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-
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- crc0_ok = (crc0 == *environment.crc);
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if (!have_redund_env) {
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+ struct env_image_single *single = addr0;
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+
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+ crc0 = crc32(0, (uint8_t *)single->data, ENV_SIZE);
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+ crc0_ok = (crc0 == single->crc);
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if (!crc0_ok) {
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fprintf(stderr,
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"Warning: Bad CRC, using default environment\n");
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- memcpy(environment.data, default_environment,
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+ memcpy(single->data, default_environment,
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sizeof(default_environment));
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environment.dirty = 1;
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}
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+
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+ environment.image = addr0;
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+ environment.crc = &single->crc;
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+ environment.flags = NULL;
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+ environment.data = single->data;
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} else {
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- flag0 = *environment.flags;
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+ struct env_image_redundant *redundant0 = addr0;
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+ struct env_image_redundant *redundant1;
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+
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+ crc0 = crc32(0, (uint8_t *)redundant0->data, ENV_SIZE);
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+ crc0_ok = (crc0 == redundant0->crc);
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+
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+ flag0 = redundant0->flags;
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dev_current = 1;
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addr1 = calloc(1, CUR_ENVSIZE);
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@@ -1483,14 +1477,9 @@ int fw_env_open(struct env_opts *opts)
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ret = -ENOMEM;
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goto open_cleanup;
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}
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- redundant = addr1;
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+ redundant1 = addr1;
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- /*
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- * have to set environment.image for flash_read(), careful -
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- * other pointers in environment still point inside addr0
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- */
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- environment.image = addr1;
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- if (flash_io(O_RDONLY, environment.image, CUR_ENVSIZE)) {
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+ if (flash_io(O_RDONLY, addr1, CUR_ENVSIZE)) {
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ret = -EIO;
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goto open_cleanup;
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}
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@@ -1518,18 +1507,12 @@ int fw_env_open(struct env_opts *opts)
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goto open_cleanup;
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}
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- crc1 = crc32(0, (uint8_t *)redundant->data, ENV_SIZE);
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+ crc1 = crc32(0, (uint8_t *)redundant1->data, ENV_SIZE);
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- crc1_ok = (crc1 == redundant->crc);
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- flag1 = redundant->flags;
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+ crc1_ok = (crc1 == redundant1->crc);
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+ flag1 = redundant1->flags;
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- /*
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- * environment.data still points to ((struct
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- * env_image_redundant *)addr0)->data. If the two
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- * environments differ, or one has bad crc, force a
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- * write-out by marking the environment dirty.
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- */
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- if (memcmp(environment.data, redundant->data, ENV_SIZE) ||
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+ if (memcmp(redundant0->data, redundant1->data, ENV_SIZE) ||
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!crc0_ok || !crc1_ok)
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environment.dirty = 1;
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@@ -1540,7 +1523,7 @@ int fw_env_open(struct env_opts *opts)
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} else if (!crc0_ok && !crc1_ok) {
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fprintf(stderr,
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"Warning: Bad CRC, using default environment\n");
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- memcpy(environment.data, default_environment,
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+ memcpy(redundant0->data, default_environment,
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sizeof(default_environment));
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environment.dirty = 1;
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dev_current = 0;
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@@ -1586,13 +1569,15 @@ int fw_env_open(struct env_opts *opts)
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*/
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if (dev_current) {
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environment.image = addr1;
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- environment.crc = &redundant->crc;
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- environment.flags = &redundant->flags;
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- environment.data = redundant->data;
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+ environment.crc = &redundant1->crc;
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+ environment.flags = &redundant1->flags;
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+ environment.data = redundant1->data;
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free(addr0);
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} else {
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environment.image = addr0;
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- /* Other pointers are already set */
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+ environment.crc = &redundant0->crc;
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+ environment.flags = &redundant0->flags;
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+ environment.data = redundant0->data;
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free(addr1);
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}
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#ifdef DEBUG
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@ -1,110 +0,0 @@
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From 8142c4554ffaa927529f24427a35f7ee2861793a Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Thu, 16 Jun 2022 20:59:03 +0200
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Subject: [PATCH] fw_env: add fallback to Linux's NVMEM based access
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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A new DT binding for describing environment data block has been added in
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Linux's commit 5db1c2dbc04c ("dt-bindings: nvmem: add U-Boot environment
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variables binding"). Once we get a proper Linux NVMEM driver it'll be
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|
||||||
possible to use Linux's binary interface for user-space as documented
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in the:
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||||||
https://www.kernel.org/doc/html/latest/driver-api/nvmem.html
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This commits makes fw_env fallback to looking for a compatible NVMEM
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||||||
device in case config file isn't present. In a long term this may make
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||||||
config files redundant and avoid code (info) duplication.
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||||||
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||||||
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
|
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||||||
---
|
|
||||||
tools/env/fw_env.c | 70 ++++++++++++++++++++++++++++++++++++++++++++--
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|
||||||
1 file changed, 67 insertions(+), 3 deletions(-)
|
|
||||||
|
|
||||||
--- a/tools/env/fw_env.c
|
|
||||||
+++ b/tools/env/fw_env.c
|
|
||||||
@@ -1713,6 +1713,67 @@ static int check_device_config(int dev)
|
|
||||||
return rc;
|
|
||||||
}
|
|
||||||
|
|
||||||
+static int find_nvmem_device(void)
|
|
||||||
+{
|
|
||||||
+ const char *path = "/sys/bus/nvmem/devices";
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|
||||||
+ struct dirent *dent;
|
|
||||||
+ char *nvmem = NULL;
|
|
||||||
+ char comp[256];
|
|
||||||
+ char buf[32];
|
|
||||||
+ int bytes;
|
|
||||||
+ DIR *dir;
|
|
||||||
+
|
|
||||||
+ dir = opendir(path);
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|
||||||
+ if (!dir) {
|
|
||||||
+ return -EIO;
|
|
||||||
+ }
|
|
||||||
+
|
|
||||||
+ while (!nvmem && (dent = readdir(dir))) {
|
|
||||||
+ FILE *fp;
|
|
||||||
+
|
|
||||||
+ if (!strcmp(dent->d_name, ".") || !strcmp(dent->d_name, "..")) {
|
|
||||||
+ continue;
|
|
||||||
+ }
|
|
||||||
+
|
|
||||||
+ bytes = snprintf(comp, sizeof(comp), "%s/%s/of_node/compatible", path, dent->d_name);
|
|
||||||
+ if (bytes < 0 || bytes == sizeof(comp)) {
|
|
||||||
+ continue;
|
|
||||||
+ }
|
|
||||||
+
|
|
||||||
+ fp = fopen(comp, "r");
|
|
||||||
+ if (!fp) {
|
|
||||||
+ continue;
|
|
||||||
+ }
|
|
||||||
+
|
|
||||||
+ fread(buf, sizeof(buf), 1, fp);
|
|
||||||
+
|
|
||||||
+ if (!strcmp(buf, "u-boot,env")) {
|
|
||||||
+ bytes = asprintf(&nvmem, "%s/%s/nvmem", path, dent->d_name);
|
|
||||||
+ if (bytes < 0) {
|
|
||||||
+ nvmem = NULL;
|
|
||||||
+ }
|
|
||||||
+ }
|
|
||||||
+
|
|
||||||
+ fclose(fp);
|
|
||||||
+ }
|
|
||||||
+
|
|
||||||
+ closedir(dir);
|
|
||||||
+
|
|
||||||
+ if (nvmem) {
|
|
||||||
+ struct stat s;
|
|
||||||
+
|
|
||||||
+ stat(nvmem, &s);
|
|
||||||
+
|
|
||||||
+ DEVNAME(0) = nvmem;
|
|
||||||
+ DEVOFFSET(0) = 0;
|
|
||||||
+ ENVSIZE(0) = s.st_size;
|
|
||||||
+
|
|
||||||
+ return 0;
|
|
||||||
+ }
|
|
||||||
+
|
|
||||||
+ return -ENOENT;
|
|
||||||
+}
|
|
||||||
+
|
|
||||||
static int parse_config(struct env_opts *opts)
|
|
||||||
{
|
|
||||||
int rc;
|
|
||||||
@@ -1723,9 +1784,12 @@ static int parse_config(struct env_opts
|
|
||||||
#if defined(CONFIG_FILE)
|
|
||||||
/* Fills in DEVNAME(), ENVSIZE(), DEVESIZE(). Or don't. */
|
|
||||||
if (get_config(opts->config_file)) {
|
|
||||||
- fprintf(stderr, "Cannot parse config file '%s': %m\n",
|
|
||||||
- opts->config_file);
|
|
||||||
- return -1;
|
|
||||||
+ if (find_nvmem_device()) {
|
|
||||||
+ fprintf(stderr, "Cannot parse config file '%s': %m\n",
|
|
||||||
+ opts->config_file);
|
|
||||||
+ fprintf(stderr, "Failed to find NVMEM device\n");
|
|
||||||
+ return -1;
|
|
||||||
+ }
|
|
||||||
}
|
|
||||||
#else
|
|
||||||
DEVNAME(0) = DEVICE1_NAME;
|
|
||||||
Loading…
x
Reference in New Issue
Block a user