diff options
Diffstat (limited to 'target/linux/generic/backport-4.9/061-v4.10-0002-mtd-spi-nor-fix-spansion-quad-enable.patch')
| -rw-r--r-- | target/linux/generic/backport-4.9/061-v4.10-0002-mtd-spi-nor-fix-spansion-quad-enable.patch | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/target/linux/generic/backport-4.9/061-v4.10-0002-mtd-spi-nor-fix-spansion-quad-enable.patch b/target/linux/generic/backport-4.9/061-v4.10-0002-mtd-spi-nor-fix-spansion-quad-enable.patch deleted file mode 100644 index e4563ebeb6..0000000000 --- a/target/linux/generic/backport-4.9/061-v4.10-0002-mtd-spi-nor-fix-spansion-quad-enable.patch +++ /dev/null @@ -1,42 +0,0 @@ -From 807c16253319ee6ccf8873ae64f070f7eb532cd5 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Jo=C3=ABl=20Esponde?= <joel.esponde@honeywell.com> -Date: Wed, 23 Nov 2016 12:47:40 +0100 -Subject: [PATCH] mtd: spi-nor: fix spansion quad enable -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -With the S25FL127S nor flash part, each writing to the configuration -register takes hundreds of ms. During that time, no more accesses to -the flash should be done (even reads). - -This commit adds a wait loop after the register writing until the flash -finishes its work. - -This issue could make rootfs mounting fail when the latter was done too -much closely to this quad enable bit setting step. And in this case, a -driver as UBIFS may try to recover the filesystem and may broke it -completely. - -Signed-off-by: Joël Esponde <joel.esponde@honeywell.com> -Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com> ---- - drivers/mtd/spi-nor/spi-nor.c | 7 +++++++ - 1 file changed, 7 insertions(+) - ---- a/drivers/mtd/spi-nor/spi-nor.c -+++ b/drivers/mtd/spi-nor/spi-nor.c -@@ -1269,6 +1269,13 @@ static int spansion_quad_enable(struct s - return ret; - } - -+ ret = spi_nor_wait_till_ready(nor); -+ if (ret) { -+ dev_err(nor->dev, -+ "timeout while writing configuration register\n"); -+ return ret; -+ } -+ - /* read back and check it */ - ret = read_cr(nor); - if (!(ret > 0 && (ret & CR_QUAD_EN_SPAN))) { |