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authorBalaji T K <balajitk@ti.com>2012-04-02 12:26:47 +0530
committerChris Ball <cjb@laptop.org>2012-04-05 20:32:30 -0400
commitfc307df88f0d77505c19756d95be66c981c421ea (patch)
tree3a35a8261cddfa9afeda36d940dd0fb70013f952 /drivers/mmc
parentb796450b4590dbaee2d31c85b04791cafacff9b4 (diff)
downloadblackbird-op-linux-fc307df88f0d77505c19756d95be66c981c421ea.tar.gz
blackbird-op-linux-fc307df88f0d77505c19756d95be66c981c421ea.zip
mmc: omap_hsmmc: fix module re-insertion
OMAP4 and OMAP3 HSMMC IP registers differ by 0x100 offset. Adding the offset to platform_device resource structure increments the start address for every insmod operation. MMC command fails on re-insertion as module due to incorrect register base. Fix this by updating the ioremap base address only. Signed-off-by: Balaji T K <balajitk@ti.com> Signed-off-by: Venkatraman S <svenkatr@ti.com> Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/omap_hsmmc.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index b4c59eac348f..5c2b1c10af9c 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -1818,8 +1818,6 @@ static int __devinit omap_hsmmc_probe(struct platform_device *pdev)
if (res == NULL || irq < 0)
return -ENXIO;
- res->start += pdata->reg_offset;
- res->end += pdata->reg_offset;
res = request_mem_region(res->start, resource_size(res), pdev->name);
if (res == NULL)
return -EBUSY;
@@ -1843,7 +1841,7 @@ static int __devinit omap_hsmmc_probe(struct platform_device *pdev)
host->dma_ch = -1;
host->irq = irq;
host->slot_id = 0;
- host->mapbase = res->start;
+ host->mapbase = res->start + pdata->reg_offset;
host->base = ioremap(host->mapbase, SZ_4K);
host->power_mode = MMC_POWER_OFF;
host->next_data.cookie = 1;
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