static ssize_t wdt3_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t n)
{
u32 wdt3;
struct DEV_OBJECT *dev_object;
struct WMD_DEV_CONTEXT *dev_ctxt;
if (sscanf(buf, "%d", &wdt3) != 1)
return -EINVAL;
dev_object = DEV_GetFirst();
if (dev_object == NULL)
goto func_end;
DEV_GetWMDContext(dev_object, &dev_ctxt);
if (dev_ctxt == NULL)
goto func_end;
/* enable WDT */
if (wdt3 == 1) {
if (dsp_wdt_get_enable())
goto func_end;
dsp_wdt_set_enable(true);
if (!CLK_Get_UseCnt(SERVICESCLK_wdt3_fck) &&
dev_ctxt->dwBrdState != BRD_DSP_HIBERNATION)
dsp_wdt_enable(true);
} else if (wdt3 == 0) {
if (!dsp_wdt_get_enable())
goto func_end;
if (CLK_Get_UseCnt(SERVICESCLK_wdt3_fck))
dsp_wdt_enable(false);
dsp_wdt_set_enable(false);
}
func_end:
return n;
}
/*
* ======== CLK_Disable ========
* Purpose:
* Disable the clock.
*
*/
DSP_STATUS CLK_Disable(IN enum SERVICES_ClkId clk_id)
{
DSP_STATUS status = DSP_SOK;
struct clk *pClk;
s32 clkUseCnt;
DBC_Require(clk_id < SERVICESCLK_NOT_DEFINED);
GT_2trace(CLK_debugMask, GT_6CLASS, "CLK_Disable: CLK %s, "
"CLK dev id = %d\n", SERVICES_Clks[clk_id].clk_name,
SERVICES_Clks[clk_id].id);
pClk = SERVICES_Clks[clk_id].clk_handle;
clkUseCnt = CLK_Get_UseCnt(clk_id);
if (clkUseCnt == -1) {
GT_2trace(CLK_debugMask, GT_7CLASS, "CLK_Disable: failed to "
"get CLK Use count for CLK %s, CLK dev id = %d\n",
SERVICES_Clks[clk_id].clk_name,
SERVICES_Clks[clk_id].id);
} else if (clkUseCnt == 0) {
GT_2trace(CLK_debugMask, GT_7CLASS, "CLK_Disable: CLK %s, "
"CLK dev id= %d is already disabled\n",
SERVICES_Clks[clk_id].clk_name,
SERVICES_Clks[clk_id].id);
return status;
}
if (clk_id == SERVICESCLK_ssi_ick)
SSI_Clk_Prepare(false);
if (pClk) {
clk_disable(pClk);
} else {
GT_2trace(CLK_debugMask, GT_7CLASS, "CLK_Disable: "
"failed to get CLK %s, CLK dev id = %d\n",
SERVICES_Clks[clk_id].clk_name,
SERVICES_Clks[clk_id].id);
status = DSP_EFAIL;
}
return status;
}