soc: rockchip: opp_select: fix bug for calibrate opp-table by pvtpll

Liang Chen · rkhuangtao · commit 53d3b87a66bc · 2022-06-13T16:07:52.000+08:00
volt will be used as start_volt in next loop, so ensure volt is not greater than volt_max. Fixes: b6c7d8f (soc: rockchip: opp_select: calibrate opp-table by pvtpll) Change-Id: Ifc8f75075ad137483d1c8f603423b2d5f2e119ce Signed-off-by: Liang Chen <cl@rock-chips.com>
diff --git a/drivers/soc/rockchip/rockchip_opp_select.c b/drivers/soc/rockchip/rockchip_opp_select.c
@@ -876,7 +876,8 @@ void rockchip_pvtpll_calibrate_opp(struct rockchip_opp_info *info)
 			delta1 = abs(pvtpll_rate - rate);
 		} while (delta1 < delta0);
 
-		info->opp_table[i].u_volt = volt - cur_step;
+		volt -= cur_step;
+		info->opp_table[i].u_volt = volt;
 	}
 
 	i = 0;

Original file line number	Diff line number	Diff line change
`@@ -876,7 +876,8 @@ void rockchip_pvtpll_calibrate_opp(struct rockchip_opp_info *info)`
`876`	`876`	`delta1 = abs(pvtpll_rate - rate);`
`877`	`877`	`} while (delta1 < delta0);`
`878`	`878`
`879`		`- info->opp_table[i].u_volt = volt - cur_step;`
	`879`	`+ volt -= cur_step;`
	`880`	`+ info->opp_table[i].u_volt = volt;`
`880`	`881`	`}`
`881`	`882`
`882`	`883`	`i = 0;`