FEX-Emu/linux
1
0
Fork 0
mirror of https://github.com/FEX-Emu/linux.git synced 2024-12-16 05:50:19 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Merge branch 'common/core' into sh-latest

Browse Source
This commit is contained in:
Paul Mundt 2011-08-08 16:33:54 +09:00
commit e80ca144ea
2 changed files with 35 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
drivers/clocksource/sh_cmt.c
View File

@ -26,6 +26,7 @@
#include <linux/clk.h>
#include <linux/irq.h>
#include <linux/err.h>
#include <linux/delay.h>
#include <linux/clocksource.h>
#include <linux/clockchips.h>
#include <linux/sh_timer.h>
@ -150,13 +151,13 @@ static void sh_cmt_start_stop_ch(struct sh_cmt_priv *p, int start)
static int sh_cmt_enable(struct sh_cmt_priv *p, unsigned long *rate)
{
int ret;
int k, ret;
/* enable clock */
ret = clk_enable(p->clk);
if (ret) {
dev_err(&p->pdev->dev, "cannot enable clock\n");
return ret;
goto err0;
}
/* make sure channel is disabled */
@ -174,9 +175,38 @@ static int sh_cmt_enable(struct sh_cmt_priv *p, unsigned long *rate)
sh_cmt_write(p, CMCOR, 0xffffffff);
sh_cmt_write(p, CMCNT, 0);
/*
* According to the sh73a0 user's manual, as CMCNT can be operated
* only by the RCLK (Pseudo 32 KHz), there's one restriction on
* modifying CMCNT register; two RCLK cycles are necessary before
* this register is either read or any modification of the value
* it holds is reflected in the LSI's actual operation.
*
* While at it, we're supposed to clear out the CMCNT as of this
* moment, so make sure it's processed properly here. This will
* take RCLKx2 at maximum.
*/
for (k = 0; k < 100; k++) {
if (!sh_cmt_read(p, CMCNT))
break;
udelay(1);
}
if (sh_cmt_read(p, CMCNT)) {
dev_err(&p->pdev->dev, "cannot clear CMCNT\n");
ret = -ETIMEDOUT;
goto err1;
}
/* enable channel */
sh_cmt_start_stop_ch(p, 1);
return 0;
err1:
/* stop clock */
clk_disable(p->clk);
err0:
return ret;
}
static void sh_cmt_disable(struct sh_cmt_priv *p)

3
drivers/sh/intc/chip.c
View File

@ -186,6 +186,9 @@ static unsigned char intc_irq_sense_table[IRQ_TYPE_SENSE_MASK + 1] = {
!defined(CONFIG_CPU_SUBTYPE_SH7709)
[IRQ_TYPE_LEVEL_HIGH] = VALID(3),
#endif
#if defined(CONFIG_ARCH_SH7372)
[IRQ_TYPE_EDGE_BOTH] = VALID(4),
#endif
};
static int intc_set_type(struct irq_data *data, unsigned int type)