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Commit 18591add authored by Caesar Wang's avatar Caesar Wang Committed by Eduardo Valentin
Browse files

thermal: rockchip: handle set_trips without the trip points 



In some cases, some sensors didn't need the trip points, the
set_trips will pass {-INT_MAX, INT_MAX} to trigger tsadc alarm in the end,
ignore this case and disable the high temperature interrupt.

Signed-off-by: default avatarCaesar Wang <wxt@rock-chips.com>
Reviewed-by: default avatarBrian Norris <briannorris@chromium.org>
Signed-off-by: default avatarEduardo Valentin <edubezval@gmail.com>
parent cadf29dc

drivers/thermal/rockchip_thermal.c

+15 −1
Original line number Diff line number Diff line
@@ -674,7 +674,21 @@ static int rk_tsadcv2_get_temp(const struct chip_tsadc_table *table, 
static int rk_tsadcv2_alarm_temp(const struct chip_tsadc_table *table,

				 int chn, void __iomem *regs, int temp)

{

	u32 alarm_value, int_en;

	u32 alarm_value;

	u32 int_en, int_clr;



	/*

	 * In some cases, some sensors didn't need the trip points, the

	 * set_trips will pass {-INT_MAX, INT_MAX} to trigger tsadc alarm

	 * in the end, ignore this case and disable the high temperature

	 * interrupt.

	 */

	if (temp == INT_MAX) {

		int_clr = readl_relaxed(regs + TSADCV2_INT_EN);

		int_clr &= ~TSADCV2_INT_SRC_EN(chn);

		writel_relaxed(int_clr, regs + TSADCV2_INT_EN);

		return 0;

	}



	/* Make sure the value is valid */

	alarm_value = rk_tsadcv2_temp_to_code(table, temp);