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mfd: Fix ASIC3 SD Host Controller Configuration size 

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>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Paul Parsons 2011-05-15 14:13:11 +00:00 committed by Samuel Ortiz
parent d910774f13
commit 74e32d1b68
2 changed files with 3 additions and 1 deletions
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3
drivers/mfd/asic3.c
View File

@ -856,7 +856,8 @@ static int __init asic3_mfd_probe(struct platform_device *pdev,
/* 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");

1
include/linux/mfd/asic3.h
View File

@ -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