diff options
| author |   Joel A Fernandes <agnel.joel@gmail.com> | 2011-07-15 22:56:31 +0000 |
|---|---|---|
| committer |   Koen Kooi <koen@openembedded.org> | 2011-07-15 17:42:27 +0200 |
| commit | 93e91091c7e2864274207cc7c59e3f64e453f843 (patch) | |
| tree | b675cf53c7773219d06440d7cabe4dcedb2e1fc9 /recipes/linux | |
| parent | a4e41b90ecc3f71f93b6363cc7ff112fc3cf4570 (diff) | |
| download | openembedded-93e91091c7e2864274207cc7c59e3f64e453f843.tar.gz | |
linux-omap-psp: Added patch to fix MMC timeout errors
This fixes MMC errors due to timeouts, and is borrowed from Steve Sakoman's patch for the
linux-omap-2.6.39 recipe (as noticed by Jason Kridner)
Details of the issue:
http://www.mail-archive.com/linux-omap@vger.kernel.org/msg42214.html
Signed-off-by: Joel A Fernandes <agnel.joel@gmail.com>
Signed-off-by: Koen Kooi <koen@openembedded.org>
Diffstat (limited to 'recipes/linux')
| -rw-r--r-- | recipes/linux/linux-omap-psp-2.6.32/0047-omap-mmc-Adjust-dto-to-eliminate-timeout-errors.patch | 22 | ||||
| -rw-r--r-- | recipes/linux/linux-omap-psp_2.6.32.bb | 3 |
2 files changed, 24 insertions, 1 deletions
diff --git a/recipes/linux/linux-omap-psp-2.6.32/0047-omap-mmc-Adjust-dto-to-eliminate-timeout-errors.patch b/recipes/linux/linux-omap-psp-2.6.32/0047-omap-mmc-Adjust-dto-to-eliminate-timeout-errors.patch new file mode 100644 index 0000000000..4867d3f761 --- /dev/null +++ b/recipes/linux/linux-omap-psp-2.6.32/0047-omap-mmc-Adjust-dto-to-eliminate-timeout-errors.patch @@ -0,0 +1,22 @@ +From 26a79f408bd41ad7b4a47f2683909d3fc1575eab Mon Sep 17 00:00:00 2001 +From: Steve Sakoman <steve@sakoman.com> +Date: Wed, 12 Jan 2011 05:54:55 -0800 +Subject: [PATCH] omap: mmc: Adjust dto to eliminate timeout errors + +A number of SD card types were experiencing timeout errors. This +could also lead to data corruption in some cases. + +This fix proposed by Sukumar Ghoral of TI. +--- +diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c +index 9646a75..ef458d6 100644 +--- a/drivers/mmc/host/omap_hsmmc.c ++++ b/drivers/mmc/host/omap_hsmmc.c +@@ -1032,6 +1032,7 @@ static void set_data_timeout(struct omap_hsmmc_host *host, + cycle_ns = 1000000000 / (clk_get_rate(host->fclk) / clkd); + timeout = timeout_ns / cycle_ns; + timeout += timeout_clks; ++ timeout *= 2; + if (timeout) { + while ((timeout & 0x80000000) == 0) { + dto += 1; diff --git a/recipes/linux/linux-omap-psp_2.6.32.bb b/recipes/linux/linux-omap-psp_2.6.32.bb index e33dc51f2b..91de194c79 100644 --- a/recipes/linux/linux-omap-psp_2.6.32.bb +++ b/recipes/linux/linux-omap-psp_2.6.32.bb @@ -9,7 +9,7 @@ COMPATIBLE_MACHINE = "am3517-crane|beagleboard|omap3evm|am3517-evm|dm37x-evm|am3 SRCREV = "5fc29e7b2a76a64a739f857858ef0b98294aa155" # The main PR is now using MACHINE_KERNEL_PR, for omap3 see conf/machine/include/omap3.inc -MACHINE_KERNEL_PR_append = "e+gitr${SRCREV}" +MACHINE_KERNEL_PR_append = "f+gitr${SRCREV}" SRC_URI = "git://arago-project.org/git/projects/linux-omap3.git;protocol=http;branch=master \ file://0001-Added-Crane-Board-support.patch \ @@ -59,6 +59,7 @@ SRC_URI = "git://arago-project.org/git/projects/linux-omap3.git;protocol=http;br file://0044-ARM-OMAP-beagle-every-known-beagle-except-revB-uses-.patch \ file://0045-ARM-OMAP-beagle-add-support-for-beagleFPGA-expansion.patch \ file://0046-ARM-OMAP-beagle-disable-uart-timeout.patch \ + file://0047-omap-mmc-Adjust-dto-to-eliminate-timeout-errors.patch \ file://cam/0001-mt9t111-first-stab-at-merging-sensor-driver-based-on.patch \ file://cam/0002-mt9t111-Fix-all-checkpatch-errors.patch \ file://cam/0003-mt9t111-Pass-v4l2_int_device-data.patch \ |