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MIPS, clk: move jz4740 UDC auto suspend functions to jz4740-cgu

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The jz4740-cgu driver already has access to the CGU, so it makes sense
to move the few remaining accesses to the CGU from arch/mips/jz4740
there too. Move the jz4740_clock_udc_{dis,en}able_auto_suspend functions
there for such consistency.

Signed-off-by: Paul Burton <[email protected]>
Cc: Lars-Peter Clausen <[email protected]>
Cc: Mike Turquette <[email protected]>
Cc: Stephen Boyd <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/10154/
Signed-off-by: Ralf Baechle <[email protected]>
This commit is contained in:
Paul Burton 2015-05-24 16:11:38 +01:00 • committed by Ralf Baechle
commit ed286ca5d6
2 changed files with 22 additions and 13 deletions
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22
drivers/clk/ingenic/jz4740-cgu.c
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@ -26,6 +26,7 @@
#define CGU_REG_CPCCR 0x00
#define CGU_REG_LCR 0x04
#define CGU_REG_CPPCR 0x10
#define CGU_REG_CLKGR 0x20
#define CGU_REG_SCR 0x24
#define CGU_REG_I2SCDR 0x60
#define CGU_REG_LPCDR 0x64
@ -47,6 +48,9 @@
/* bits within the LCR register */
#define LCR_SLEEP (1 << 0)
/* bits within the CLKGR register */
#define CLKGR_UDC (1 << 11)
static struct ingenic_cgu *cgu;
static const s8 pll_od_encoding[4] = {
@ -242,3 +246,21 @@ void jz4740_clock_set_wait_mode(enum jz4740_wait_mode mode)
writel(lcr, cgu->base + CGU_REG_LCR);
}
void jz4740_clock_udc_disable_auto_suspend(void)
{
uint32_t clkgr = readl(cgu->base + CGU_REG_CLKGR);
clkgr &= ~CLKGR_UDC;
writel(clkgr, cgu->base + CGU_REG_CLKGR);
}
EXPORT_SYMBOL_GPL(jz4740_clock_udc_disable_auto_suspend);
void jz4740_clock_udc_enable_auto_suspend(void)
{
uint32_t clkgr = readl(cgu->base + CGU_REG_CLKGR);
clkgr |= CLKGR_UDC;
writel(clkgr, cgu->base + CGU_REG_CLKGR);
}
EXPORT_SYMBOL_GPL(jz4740_clock_udc_enable_auto_suspend);