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Op 26-07-11 01:21, Joel A Fernandes schreef: > 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 proposed by Sukumar Ghoral of TI. --- Generated a patch that applies > to meta-texasinstruments as suggested by Koen in the post at [1] > > Changes since earlier patch: * Bumped PR > > [1] > http://www.mail-archive.com/[email protected]/msg19995.html > > ...mc-Adjust-dto-to-eliminate-timeout-errors.patch | 33 > ++++++++++++++++++++ recipes-kernel/linux/linux-omap_2.6.39.bb | > 3 +- 2 files changed, 35 insertions(+), 1 deletions(-) create mode 100644 > recipes-kernel/linux/linux-omap-2.6.39/beagle/0007-omap-mmc-Adjust-dto-to-eliminate-timeout-errors.patch > > diff --git > a/recipes-kernel/linux/linux-omap-2.6.39/beagle/0007-omap-mmc-Adjust-dto-to-eliminate-timeout-errors.patch > > b/recipes-kernel/linux/linux-omap-2.6.39/beagle/0007-omap-mmc-Adjust-dto-to-eliminate-timeout-errors.patch > new file mode 100644 index 0000000..8cd314c --- /dev/null +++ > b/recipes-kernel/linux/linux-omap-2.6.39/beagle/0007-omap-mmc-Adjust-dto-to-eliminate-timeout-errors.patch > @@ -0,0 +1,33 @@ +From bd0b2f97c48aa6aac0c6a494f1c6ba5af5de486b Mon Sep 17 > 00:00:00 2001 +From: Steve Sakoman <[email protected]> +Date: Mon, 18 Jul > 2011 23:13:41 -0500 +Subject: [PATCH] > 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 9646a75..7443647 100644 +--- > a/drivers/mmc/host/omap_hsmmc.c > ++++ b/drivers/mmc/host/omap_hsmmc.c +@@ -1049,6 +1049,9 @@ 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); +-- +1.7.0.4 + diff --git > a/recipes-kernel/linux/linux-omap_2.6.39.bb > b/recipes-kernel/linux/linux-omap_2.6.39.bb index c92846d..a22e81f 100644 --- > a/recipes-kernel/linux/linux-omap_2.6.39.bb +++ > b/recipes-kernel/linux/linux-omap_2.6.39.bb @@ -7,7 +7,7 > @@ COMPATIBLE_MACHINE = "(beagleboard)" > > # The main PR is now using MACHINE_KERNEL_PR, for omap3 see > conf/machine/include/omap3.inc SRCREV_pn-${PN} = "v2.6.39" > -MACHINE_KERNEL_PR_append = "n" +MACHINE_KERNEL_PR_append = "o" > > FILESPATHPKG_prepend = "linux-omap-2.6.39:" > > @@ -54,6 +54,7 @@ SRC_URI_append = " \ > file://beagle/0004-OMAP3-beagle-add-regulators-for-camera-interface.patch \ > file://beagle/0005-OMAP3-beagle-HACK-add-in-1GHz-OPP.patch \ > file://beagle/0006-OMAP3-BEAGLE-fix-RTC.patch \ + > file://beagle/0007-omap-mmc-Adjust-dto-to-eliminate-timeout-errors.patch \ \ > file://camera/0001-Add-driver-for-Aptina-Micron-mt9p031-sensor.patch \ > file://camera/0002-v4l-Add-mt9v032-sensor-driver.patch \ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (Darwin) iD8DBQFOLlB0MkyGM64RGpERAn7nAKC32iAk1azm7DjDa7+44xJduirEAACgmjOe Lm0BwTLuty3oY2Fyewy4meE= =VFFR -----END PGP SIGNATURE----- _______________________________________________ Openembedded-devel mailing list [email protected] http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-devel
