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Commit 23d240d6 authored by Tero Kristo's avatar Tero Kristo
Browse files

ARM: OMAP2+: id: cache omap_type value 



There is no need to read the register with every invocation of the function,
as the value is constant. Thus, cache the value in a static variable.

Signed-off-by: default avatarTero Kristo <t-kristo@ti.com>
parent ae0f6798

arch/arm/mach-omap2/id.c

+4 −1
Original line number Original line Diff line number Diff line
@@ -52,7 +52,10 @@ EXPORT_SYMBOL(omap_rev); 




int omap_type(void)

int omap_type(void)

{

{

	u32 val = 0;

	static u32 val = OMAP2_DEVICETYPE_MASK;



	if (val < OMAP2_DEVICETYPE_MASK)

		return val;





	if (cpu_is_omap24xx()) {

	if (cpu_is_omap24xx()) {

		val = omap_ctrl_readl(OMAP24XX_CONTROL_STATUS);

		val = omap_ctrl_readl(OMAP24XX_CONTROL_STATUS);