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staging:ti dspbridge: fix bridge_brd_stop so IVA2 is set OFF

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right now, bridge_brd_stop is not changing the IVA2 power state
to OFF since PM_PWSTST_IVA2 is not 0 after calling this function.

Signed-off-by: Ernesto Ramos <ernesto@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Ernesto Ramos 2010-07-28 09:54:52 -05:00 committed by Greg Kroah-Hartman
parent 3a8965fda9
commit a2c2272194
1 changed files with 4 additions and 4 deletions
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8
drivers/staging/tidspbridge/core/tiomap3430.c
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@ -639,11 +639,11 @@ static int bridge_brd_stop(struct bridge_dev_context *dev_ctxt)
dsp_pwr_state = (*pdata->dsp_prm_read)(OMAP3430_IVA2_MOD, OMAP2_PM_PWSTST) &
OMAP_POWERSTATEST_MASK;
if (dsp_pwr_state != PWRDM_POWER_OFF) {
(*pdata->dsp_prm_rmw_bits)(OMAP3430_RST2_IVA2_MASK, 0,
OMAP3430_IVA2_MOD, OMAP2_RM_RSTCTRL);
sm_interrupt_dsp(dev_context, MBX_PM_DSPIDLE);
mdelay(10);
clk_status = dsp_clk_disable(DSP_CLK_IVA2);
/* IVA2 is not in OFF state */
/* Set PM_PWSTCTRL_IVA2 to OFF */
(*pdata->dsp_prm_rmw_bits)(OMAP_POWERSTATEST_MASK,
@ -651,8 +651,6 @@ static int bridge_brd_stop(struct bridge_dev_context *dev_ctxt)
/* Set the SW supervised state transition for Sleep */
(*pdata->dsp_cm_write)(OMAP34XX_CLKSTCTRL_FORCE_SLEEP,
OMAP3430_IVA2_MOD, OMAP2_CM_CLKSTCTRL);
} else {
clk_status = dsp_clk_disable(DSP_CLK_IVA2);
}
udelay(10);
/* Release the Ext Base virtual Address as the next DSP Program
@ -682,6 +680,8 @@ static int bridge_brd_stop(struct bridge_dev_context *dev_ctxt)
(*pdata->dsp_prm_write)(OMAP3430_RST1_IVA2_MASK | OMAP3430_RST2_IVA2_MASK |
OMAP3430_RST3_IVA2_MASK, OMAP3430_IVA2_MOD, OMAP2_RM_RSTCTRL);
clk_status = dsp_clk_disable(DSP_CLK_IVA2);
return status;
}