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Commit 1dcf83fd0c42525dd36cfeb61fe0bfb12113c6b3

Authored by Alan Cox
Committed by Ingo Molnar
1 parent 2544a873ab
Exists in master and in 7 other branches imx_3.0.35_4.1.0, imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga, smarc-l5.0.0_1.0.0-ga

toshiba: use ioremap_cached 

The switch of ioremap to default to uncached doesn't break this driver
but it does needlessly slow it down as BIOS space is cachable and this
driver is quite happy scanning cached ROM space.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

Showing 1 changed file with 1 additions and 1 deletions Side-by-side Diff

drivers/char/toshiba.c
Diff comments   View file @ 1dcf83f
... ... @@ -426,7 +426,7 @@
426 426 int i,major,minor,day,year,month,flag;
427 427 unsigned char signature[7] = { 0x54,0x4f,0x53,0x48,0x49,0x42,0x41 };
428 428 SMMRegisters regs;
429   - void __iomem *bios = ioremap(0xf0000, 0x10000);
  429 + void __iomem *bios = ioremap_cache(0xf0000, 0x10000);
430 430  
431 431 if (!bios)
432 432 return -ENOMEM;