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[media] coda: fix CODA7541 hardware reset

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Do not try to read the CODA960 GDI status register on CODA7541.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Philipp Zabel 2014-07-18 07:22:35 -03:00 • committed by Mauro Carvalho Chehab
commit ae5abd2561
1 changed files with 10 additions and 7 deletions
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17
drivers/media/platform/coda.c
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@ -350,19 +350,22 @@ static int coda_hw_reset(struct coda_ctx *ctx)
idx = coda_read(dev, CODA_REG_BIT_RUN_INDEX); idx = coda_read(dev, CODA_REG_BIT_RUN_INDEX);
timeout = jiffies + msecs_to_jiffies(100); if (dev->devtype->product == CODA_960) {
coda_write(dev, 0x11, CODA9_GDI_BUS_CTRL); timeout = jiffies + msecs_to_jiffies(100);
while (coda_read(dev, CODA9_GDI_BUS_STATUS) != 0x77) { coda_write(dev, 0x11, CODA9_GDI_BUS_CTRL);
if (time_after(jiffies, timeout)) while (coda_read(dev, CODA9_GDI_BUS_STATUS) != 0x77) {
return -ETIME; if (time_after(jiffies, timeout))
cpu_relax(); return -ETIME;
cpu_relax();
}
} }
ret = reset_control_reset(dev->rstc); ret = reset_control_reset(dev->rstc);
if (ret < 0) if (ret < 0)
return ret; return ret;
coda_write(dev, 0x00, CODA9_GDI_BUS_CTRL); if (dev->devtype->product == CODA_960)
coda_write(dev, 0x00, CODA9_GDI_BUS_CTRL);
coda_write(dev, CODA_REG_BIT_BUSY_FLAG, CODA_REG_BIT_BUSY); coda_write(dev, CODA_REG_BIT_BUSY_FLAG, CODA_REG_BIT_BUSY);
coda_write(dev, CODA_REG_RUN_ENABLE, CODA_REG_BIT_CODE_RUN); coda_write(dev, CODA_REG_RUN_ENABLE, CODA_REG_BIT_CODE_RUN);
ret = coda_wait_timeout(dev); ret = coda_wait_timeout(dev);