The IDE platform device on Pb1200/DBAu1200 boards claims one byte too many for its memory resource -- fix the platform code and the IDE driver in accordance. Signed-off-by: Sergei Shtylyov <sshtylyov@xxxxxxxxxxxxx> --- I'm not sure thru which tree this should go -- probably thru Linux/MIPS one... arch/mips/au1000/common/platform.c | 2 +- drivers/ide/mips/au1xxx-ide.c | 7 ++++--- 2 files changed, 5 insertions(+), 4 deletions(-) Index: linux-2.6/arch/mips/au1000/common/platform.c =================================================================== --- linux-2.6.orig/arch/mips/au1000/common/platform.c +++ linux-2.6/arch/mips/au1000/common/platform.c @@ -189,7 +189,7 @@ static struct resource au1200_lcd_resour static struct resource au1200_ide0_resources[] = { [0] = { .start = AU1XXX_ATA_PHYS_ADDR, - .end = AU1XXX_ATA_PHYS_ADDR + AU1XXX_ATA_PHYS_LEN, + .end = AU1XXX_ATA_PHYS_ADDR + AU1XXX_ATA_PHYS_LEN - 1, .flags = IORESOURCE_MEM, }, [1] = { Index: linux-2.6/drivers/ide/mips/au1xxx-ide.c =================================================================== --- linux-2.6.orig/drivers/ide/mips/au1xxx-ide.c +++ linux-2.6/drivers/ide/mips/au1xxx-ide.c @@ -591,13 +591,14 @@ static int au_ide_probe(struct device *d goto out; } - if (!request_mem_region (res->start, res->end-res->start, pdev->name)) { + if (!request_mem_region(res->start, res->end - res->start + 1, + pdev->name)) { pr_debug("%s: request_mem_region failed\n", DRV_NAME); ret = -EBUSY; goto out; } - ahwif->regbase = (u32)ioremap(res->start, res->end-res->start); + ahwif->regbase = (u32)ioremap(res->start, res->end - res->start + 1); if (ahwif->regbase == 0) { ret = -ENOMEM; goto out; @@ -682,7 +683,7 @@ static int au_ide_remove(struct device * iounmap((void *)ahwif->regbase); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - release_mem_region(res->start, res->end - res->start); + release_mem_region(res->start, res->end - res->start + 1); return 0; }