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ARM: OMAP3: PRM: invert the wkst_mask for the prm_clear_mod_irqs

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This makes the API the same as used with OMAP2, and makes it possible
to implement a generic driver API for the functionality.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
This commit is contained in:
Tero Kristo 2014-04-04 12:14:27 +03:00
parent 3a1a388e91
commit f0caa5270b
3 changed files with 14 additions and 14 deletions
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18
arch/arm/mach-omap2/pm34xx.c
View File

@ -137,9 +137,8 @@ static irqreturn_t _prcm_int_handle_io(int irq, void *unused)
{
int c;
c = omap3xxx_prm_clear_mod_irqs(WKUP_MOD, 1,
~(OMAP3430_ST_IO_MASK |
OMAP3430_ST_IO_CHAIN_MASK));
c = omap3xxx_prm_clear_mod_irqs(WKUP_MOD, 1, OMAP3430_ST_IO_MASK |
OMAP3430_ST_IO_CHAIN_MASK);
return c ? IRQ_HANDLED : IRQ_NONE;
}
@ -154,13 +153,14 @@ static irqreturn_t _prcm_int_handle_wakeup(int irq, void *unused)
* IO events before parsing in mux code
*/
c = omap3xxx_prm_clear_mod_irqs(WKUP_MOD, 1,
OMAP3430_ST_IO_MASK |
OMAP3430_ST_IO_CHAIN_MASK);
c += omap3xxx_prm_clear_mod_irqs(CORE_MOD, 1, 0);
c += omap3xxx_prm_clear_mod_irqs(OMAP3430_PER_MOD, 1, 0);
~(OMAP3430_ST_IO_MASK |
OMAP3430_ST_IO_CHAIN_MASK));
c += omap3xxx_prm_clear_mod_irqs(CORE_MOD, 1, ~0);
c += omap3xxx_prm_clear_mod_irqs(OMAP3430_PER_MOD, 1, ~0);
if (omap_rev() > OMAP3430_REV_ES1_0) {
c += omap3xxx_prm_clear_mod_irqs(CORE_MOD, 3, 0);
c += omap3xxx_prm_clear_mod_irqs(OMAP3430ES2_USBHOST_MOD, 1, 0);
c += omap3xxx_prm_clear_mod_irqs(CORE_MOD, 3, ~0);
c += omap3xxx_prm_clear_mod_irqs(OMAP3430ES2_USBHOST_MOD, 1,
~0);
}
return c ? IRQ_HANDLED : IRQ_NONE;

8
arch/arm/mach-omap2/prm3xxx.c
View File

@ -217,7 +217,7 @@ static void omap3xxx_prm_restore_irqen(u32 *saved_mask)
* omap3xxx_prm_clear_mod_irqs - clear wake-up events from PRCM interrupt
* @module: PRM module to clear wakeups from
* @regs: register set to clear, 1 or 3
* @ignore_bits: wakeup status bits to ignore
* @wkst_mask: wkst bits to clear
*
* The purpose of this function is to clear any wake-up events latched
* in the PRCM PM_WKST_x registers. It is possible that a wake-up event
@ -226,7 +226,7 @@ static void omap3xxx_prm_restore_irqen(u32 *saved_mask)
* that any peripheral wake-up events occurring while attempting to
* clear the PM_WKST_x are detected and cleared.
*/
int omap3xxx_prm_clear_mod_irqs(s16 module, u8 regs, u32 ignore_bits)
int omap3xxx_prm_clear_mod_irqs(s16 module, u8 regs, u32 wkst_mask)
{
u32 wkst, fclk, iclk, clken;
u16 wkst_off = (regs == 3) ? OMAP3430ES2_PM_WKST3 : PM_WKST1;
@ -238,7 +238,7 @@ int omap3xxx_prm_clear_mod_irqs(s16 module, u8 regs, u32 ignore_bits)
wkst = omap2_prm_read_mod_reg(module, wkst_off);
wkst &= omap2_prm_read_mod_reg(module, grpsel_off);
wkst &= ~ignore_bits;
wkst &= wkst_mask;
if (wkst) {
iclk = omap2_cm_read_mod_reg(module, iclk_off);
fclk = omap2_cm_read_mod_reg(module, fclk_off);
@ -254,7 +254,7 @@ int omap3xxx_prm_clear_mod_irqs(s16 module, u8 regs, u32 ignore_bits)
omap2_cm_set_mod_reg_bits(clken, module, fclk_off);
omap2_prm_write_mod_reg(wkst, module, wkst_off);
wkst = omap2_prm_read_mod_reg(module, wkst_off);
wkst &= ~ignore_bits;
wkst &= wkst_mask;
c++;
}
omap2_cm_write_mod_reg(iclk, module, iclk_off);

2
arch/arm/mach-omap2/prm3xxx.h
View File

@ -145,7 +145,7 @@ extern void omap3_prm_vcvp_write(u32 val, u8 offset);
extern u32 omap3_prm_vcvp_rmw(u32 mask, u32 bits, u8 offset);
extern int __init omap3xxx_prm_init(void);
int omap3xxx_prm_clear_mod_irqs(s16 module, u8 regs, u32 ignore_bits);
int omap3xxx_prm_clear_mod_irqs(s16 module, u8 regs, u32 wkst_mask);
void omap3xxx_prm_iva_idle(void);
void omap3_prm_reset_modem(void);
int omap3xxx_prm_clear_global_cold_reset(void);