From mboxrd@z Thu Jan 1 00:00:00 1970 From: LW@KARO-electronics.de (=?utf-8?Q?Lothar_Wa=C3=9Fmann?=) Date: Wed, 9 Feb 2011 08:46:18 +0100 Subject: [PATCH 1/7] mmc: mxs-mmc: add mmc host driver for i.MX23/28 In-Reply-To: <1296872327-21166-2-git-send-email-shawn.guo@freescale.com> References: <1296872327-21166-1-git-send-email-shawn.guo@freescale.com> <1296872327-21166-2-git-send-email-shawn.guo@freescale.com> Message-ID: <19794.17994.381937.158944@ipc1.ka-ro> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Shawn, Shawn Guo writes: > This adds the mmc host driver for Freescale MXS-based SoC i.MX23/28. > The driver calls into mxs-dma via generic dmaengine api for both pio > and data transfer. > > Signed-off-by: Shawn Guo > --- > arch/arm/mach-mxs/include/mach/mmc.h | 15 + > drivers/mmc/host/Kconfig | 9 + > drivers/mmc/host/Makefile | 1 + > drivers/mmc/host/mxs-mmc.c | 884 ++++++++++++++++++++++++++++++++++ > 4 files changed, 909 insertions(+), 0 deletions(-) > create mode 100644 arch/arm/mach-mxs/include/mach/mmc.h > create mode 100644 drivers/mmc/host/mxs-mmc.c > I've run the mmc-test kernel module with this driver on our TX28 module which fails in the following tests: |mmc0: Test case 15. Correct xfer_size at write (start failure)... |mmc0: Result: ERROR (-110) |mmc0: Test case 16. Correct xfer_size at read (start failure)... |mmc0: Result: ERROR (-110) |mmc0: Test case 17. Correct xfer_size at write (midway failure)... |mmc0: Result: ERROR (-110) |mmc0: Test case 18. Correct xfer_size at read (midway failure)... |mmc0: Result: ERROR (-110) Could you try the test on your hardware? Best regards, Lothar Wa?mann -- ___________________________________________________________ Ka-Ro electronics GmbH | Pascalstra?e 22 | D - 52076 Aachen Phone: +49 2408 1402-0 | Fax: +49 2408 1402-10 Gesch?ftsf?hrer: Matthias Kaussen Handelsregistereintrag: Amtsgericht Aachen, HRB 4996 www.karo-electronics.de | info at karo-electronics.de ___________________________________________________________