[PATCH v6 18/18] OMAP2,3: DSS2: Get DSS IRQ from platform device

Sumit Semwal
2011-01-14T18:54:34Z

DSS IRQ number can be obtained from platform_get_irq(). This API in turn
picks the right IRQ number belonging to HW IP from the hwmod database.
So hardcoding of IRQ number could be removed.

Signed-off-by: Senthilvadivu Guruswamy <svadivu@ti.com>
Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Reviewed-by: Paul Walmsley <paul@pwsan.com>
---
drivers/video/omap2/dss/dss.c | 13 ++++++++-----
1 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c
index 4d7a816..22690e9 100644
--- a/drivers/video/omap2/dss/dss.c
+++ b/drivers/video/omap2/dss/dss.c
@@ -563,7 +563,7 @@ void dss_set_dac_pwrdn_bgz(bool enable)

static int dss_init(bool skip_init)
{
- int r;
+ int r, dss_irq;
u32 rev;
struct resource *dss_mem;

@@ -609,15 +609,18 @@ static int dss_init(bool skip_init)
REG_FLD_MOD(DSS_CONTROL, 0, 2, 2); /* venc clock mode = normal */
#endif

- r = request_irq(INT_24XX_DSS_IRQ,
+ dss_irq = platform_get_irq(dss.pdev, 0);
+ if (dss_irq != -ENXIO) {
+ r = request_irq(dss_irq,
cpu_is_omap24xx()
? dss_irq_handler_omap2
: dss_irq_handler_omap3,
0, "OMAP DSS", NULL);

- if (r < 0) {
- DSSERR("omap2 dss: request_irq failed\n");
- goto fail1;
+ if (r < 0) {
+ DSSERR("omap2 dss: request_irq failed\n");
+ goto fail1;
+ }
}

if (cpu_is_omap34xx()) {
--
1.7.0.4