Messages in this thread Patch in this message | | | Subject | [PATCH] mfd: Fix ASIC3 SD Host Controller Configuration size | From | "Paul Parsons" <> | Date | Sun, 15 May 2011 14:13:11 +0000 |
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The size of the TC6380AF SD Host Controller Configuration area is 0x200 bytes (assuming registers are aligned on 32-bit boundaries), not 0x400 bytes. Source: Toshiba TC6380AF Specification sections 4.2 and 4.3.1
Signed-off-by: Paul Parsons <lost.distance@yahoo.com> --- diff -uprN clean-2.6.39-rc7/drivers/mfd/asic3.c linux-2.6.39-rc7/drivers/mfd/asic3.c --- clean-2.6.39-rc7/drivers/mfd/asic3.c 2011-05-15 14:54:26.240112516 +0100 +++ linux-2.6.39-rc7/drivers/mfd/asic3.c 2011-05-15 14:59:12.758135981 +0100 @@ -854,7 +854,8 @@ static int __init asic3_mfd_probe(struct /* MMC */ asic->tmio_cnf = ioremap((ASIC3_SD_CONFIG_BASE >> asic->bus_shift) + - mem_sdio->start, 0x400 >> asic->bus_shift); + mem_sdio->start, + ASIC3_SD_CONFIG_SIZE >> asic->bus_shift); if (!asic->tmio_cnf) { ret = -ENOMEM; dev_dbg(asic->dev, "Couldn't ioremap SD_CONFIG\n"); diff -uprN clean-2.6.39-rc7/include/linux/mfd/asic3.h linux-2.6.39-rc7/include/linux/mfd/asic3.h --- clean-2.6.39-rc7/include/linux/mfd/asic3.h 2011-05-15 14:54:23.488093081 +0100 +++ linux-2.6.39-rc7/include/linux/mfd/asic3.h 2011-05-13 19:21:20.515450640 +0100 @@ -297,6 +297,7 @@ struct asic3_platform_data { * *****************************************************************************/ #define ASIC3_SD_CONFIG_BASE 0x0400 /* Assumes 32 bit addressing */ +#define ASIC3_SD_CONFIG_SIZE 0x0200 /* Assumes 32 bit addressing */ #define ASIC3_SD_CTRL_BASE 0x1000 #define ASIC3_SDIO_CTRL_BASE 0x1200
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