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[ARM] pxa: allow PWM ID base number to be specified in pwm_id_table

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PWMs on PXA168/910 start at number 1 instead of 0, (i.e. PWM1/2/3/4 instead
of PWM0/1/2/3 on PXA25x/PXA27x/PXA3xx). Allow this number to be specified
in pwm_id_table.

Signed-off-by: Eric Miao <eric.miao@marvell.com>
This commit is contained in:
Eric Miao 2009-04-13 18:51:31 +08:00 committed by Eric Miao
parent 3d2a98cd5e
commit a757ad8b39
1 changed files with 3 additions and 2 deletions
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5
arch/arm/mach-pxa/pwm.c
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@ -22,11 +22,12 @@
#include <asm/div64.h>
#define HAS_SECONDARY_PWM 0x10
#define PWM_ID_BASE(d) ((d) & 0xf)
static const struct platform_device_id pwm_id_table[] = {
/* PWM has_secondary_pwm? */
{ "pxa25x-pwm", 0 },
{ "pxa27x-pwm", HAS_SECONDARY_PWM },
{ "pxa27x-pwm", 0 | HAS_SECONDARY_PWM },
{ },
};
MODULE_DEVICE_TABLE(platform, pwm_id_table);
@ -191,7 +192,7 @@ static int __devinit pwm_probe(struct platform_device *pdev)
pwm->clk_enabled = 0;
pwm->use_count = 0;
pwm->pwm_id = pdev->id;
pwm->pwm_id = PWM_ID_BASE(id->driver_data) + pdev->id;
pwm->pdev = pdev;
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);