From bfbb1cc110671ec18947f602f2293dfda1d54c6e Mon Sep 17 00:00:00 2001 From: Koen Kooi Date: Thu, 26 Jan 2012 18:38:04 +0100 Subject: linux-ti33x-psp 3.1: add dto patch to fix problems with various sd cards Signed-off-by: Koen Kooi --- ...Set-dto-to-max-value-of-14-to-avoid-SD-Ca.patch | 34 ++++++++++++++++++++++ recipes-kernel/linux/linux-ti33x-psp_3.1.bb | 3 +- 2 files changed, 36 insertions(+), 1 deletion(-) create mode 100644 recipes-kernel/linux/linux-ti33x-psp-3.1/0038-omap_hsmmc-Set-dto-to-max-value-of-14-to-avoid-SD-Ca.patch (limited to 'recipes-kernel') diff --git a/recipes-kernel/linux/linux-ti33x-psp-3.1/0038-omap_hsmmc-Set-dto-to-max-value-of-14-to-avoid-SD-Ca.patch b/recipes-kernel/linux/linux-ti33x-psp-3.1/0038-omap_hsmmc-Set-dto-to-max-value-of-14-to-avoid-SD-Ca.patch new file mode 100644 index 00000000..4fe037e4 --- /dev/null +++ b/recipes-kernel/linux/linux-ti33x-psp-3.1/0038-omap_hsmmc-Set-dto-to-max-value-of-14-to-avoid-SD-Ca.patch @@ -0,0 +1,34 @@ +From d12058d27dddf60b36f5b2142ee999e55bddfff6 Mon Sep 17 00:00:00 2001 +From: Steve Sakoman +Date: Mon, 18 Jul 2011 23:13:41 -0500 +Subject: [PATCH 38/38] omap_hsmmc: Set dto to max value of 14 to avoid SD + Card timeouts + +This fixes MMC errors due to timeouts on certain SD Cards following suggestions +to set dto to 14 by Jason Kridner and Steven Kipisz + +Details of the issue: +http://talk.maemo.org/showthread.php?p=1000707#post1000707 + +This fix was originally proposed by Sukumar Ghoral of TI. +--- + drivers/mmc/host/omap_hsmmc.c | 3 +++ + 1 files changed, 3 insertions(+), 0 deletions(-) + +diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c +index 35505bd..0be77ec 100644 +--- a/drivers/mmc/host/omap_hsmmc.c ++++ b/drivers/mmc/host/omap_hsmmc.c +@@ -1574,6 +1574,9 @@ static void set_data_timeout(struct omap_hsmmc_host *host, + dto = 14; + } + ++ /* Set dto to max value of 14 to avoid SD Card timeouts */ ++ dto = 14; ++ + reg &= ~DTO_MASK; + reg |= dto << DTO_SHIFT; + OMAP_HSMMC_WRITE(host->base, SYSCTL, reg); +-- +1.7.7.5 + diff --git a/recipes-kernel/linux/linux-ti33x-psp_3.1.bb b/recipes-kernel/linux/linux-ti33x-psp_3.1.bb index 84e5c3ba..591731c8 100644 --- a/recipes-kernel/linux/linux-ti33x-psp_3.1.bb +++ b/recipes-kernel/linux/linux-ti33x-psp_3.1.bb @@ -11,7 +11,7 @@ MULTI_CONFIG_BASE_SUFFIX = "" BRANCH = "v3.1-meta-ti-r1r+gitr1d84d8853fa30cf3db2571a5aec572accca4e29d" SRCREV = "1d84d8853fa30cf3db2571a5aec572accca4e29d" -MACHINE_KERNEL_PR_append = "k+gitr${SRCREV}" +MACHINE_KERNEL_PR_append = "l+gitr${SRCREV}" COMPATIBLE_MACHINE = "(ti33x)" @@ -62,6 +62,7 @@ PATCHES_OVER_PSP = " \ file://0035-beaglebone-add-structs-for-DVI-cape-LEDs.patch\ file://0036-beaglebone-update-LCD-cape-partnumber.patch \ file://0037-beaglebone-compare-complete-partnumber-not-the-first.patch \ + file://0038-omap_hsmmc-Set-dto-to-max-value-of-14-to-avoid-SD-Ca.patch \ " SRC_URI += "${@base_contains('DISTRO_FEATURES', 'tipspkernel', "", "${PATCHES_OVER_PSP}", d)}" -- cgit v1.2.3-54-g00ecf