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PM / devfreq: rockchip_dmc: support wait_complete.

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Change-Id: Ie3f173f632068f261b84a204bbd36b26b10e1981
Signed-off-by: Tony Xie <tony.xie@rock-chips.com>
Signed-off-by: YouMin Chen <cym@rock-chips.com>
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
This commit is contained in:
Tony Xie
2018-04-07 16:01:46 +08:00
committed by Tao Huang
parent 79820bb8cb
commit e85c2739ab
1 changed files with 5 additions and 0 deletions
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5
drivers/clk/rockchip/clk-ddr.c
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@@ -22,6 +22,7 @@
#include <linux/of.h>
#include <linux/rockchip/rockchip_sip.h>
#include <linux/slab.h>
#include <soc/rockchip/rockchip_dmc.h>
#include <soc/rockchip/rockchip_sip.h>
#include <soc/rockchip/scpi.h>
#include <uapi/drm/drm_mode.h>
@@ -214,6 +215,7 @@ struct share_params {
* 0: never wait flag1
*/
u32 wait_flag0;
u32 complt_hwirq;
/* if need, add parameter after */
};
@@ -254,6 +256,9 @@ static int rockchip_ddrclk_sip_set_rate_v2(struct clk_hw *hw,
res = sip_smc_dram(SHARE_PAGE_TYPE_DDR, 0,
ROCKCHIP_SIP_CONFIG_DRAM_SET_RATE);
if ((int)res.a1 == SIP_RET_SET_RATE_TIMEOUT)
rockchip_dmcfreq_wait_complete();
return res.a0;
}