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Groups > linux.kernel > #1587575

[PATCH v4 18/23] drm/rockchip: dw-mipi-dsi: use specific poll helper

From John Keeping <john@metanate.com>
Newsgroups linux.kernel
Subject [PATCH v4 18/23] drm/rockchip: dw-mipi-dsi: use specific poll helper
Date 2017-02-24 14:00 +0100
Message-ID <tenDA-eO-9@gated-at.bofh.it> (permalink)
References <tenDA-eO-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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As the documentation for readx_poll_timeout says, we want to use the
specialized macro for readl rather than using the generic version
directly.

Signed-off-by: John Keeping <john@metanate.com>
Reviewed-by: Chris Zhong <zyw@rock-chips.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
---
v4:
- Add Sean's Reviewed-by
v3:
- Add Chris' Reviewed-by
Unchanged in v2
---
 drivers/gpu/drm/rockchip/dw-mipi-dsi.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
index e6b52c7cb5e3..ccf818d5c7ac 100644
--- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
+++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
@@ -470,14 +470,14 @@ static int dw_mipi_dsi_phy_init(struct dw_mipi_dsi *dsi)
 				     PHY_UNRSTZ | PHY_UNSHUTDOWNZ);
 
 
-	ret = readx_poll_timeout(readl, dsi->base + DSI_PHY_STATUS,
+	ret = readl_poll_timeout(dsi->base + DSI_PHY_STATUS,
 				 val, val & LOCK, 1000, PHY_STATUS_TIMEOUT_US);
 	if (ret < 0) {
 		dev_err(dsi->dev, "failed to wait for phy lock state\n");
 		return ret;
 	}
 
-	ret = readx_poll_timeout(readl, dsi->base + DSI_PHY_STATUS,
+	ret = readl_poll_timeout(dsi->base + DSI_PHY_STATUS,
 				 val, val & STOP_STATE_CLK_LANE, 1000,
 				 PHY_STATUS_TIMEOUT_US);
 	if (ret < 0) {
@@ -604,7 +604,7 @@ static int dw_mipi_dsi_gen_pkt_hdr_write(struct dw_mipi_dsi *dsi, u32 hdr_val)
 	int ret;
 	u32 val, mask;
 
-	ret = readx_poll_timeout(readl, dsi->base + DSI_CMD_PKT_STATUS,
+	ret = readl_poll_timeout(dsi->base + DSI_CMD_PKT_STATUS,
 				 val, !(val & GEN_CMD_FULL), 1000,
 				 CMD_PKT_STATUS_TIMEOUT_US);
 	if (ret < 0) {
@@ -615,7 +615,7 @@ static int dw_mipi_dsi_gen_pkt_hdr_write(struct dw_mipi_dsi *dsi, u32 hdr_val)
 	dsi_write(dsi, DSI_GEN_HDR, hdr_val);
 
 	mask = GEN_CMD_EMPTY | GEN_PLD_W_EMPTY;
-	ret = readx_poll_timeout(readl, dsi->base + DSI_CMD_PKT_STATUS,
+	ret = readl_poll_timeout(dsi->base + DSI_CMD_PKT_STATUS,
 				 val, (val & mask) == mask,
 				 1000, CMD_PKT_STATUS_TIMEOUT_US);
 	if (ret < 0) {
@@ -676,7 +676,7 @@ static int dw_mipi_dsi_dcs_long_write(struct dw_mipi_dsi *dsi,
 			len -= pld_data_bytes;
 		}
 
-		ret = readx_poll_timeout(readl, dsi->base + DSI_CMD_PKT_STATUS,
+		ret = readl_poll_timeout(dsi->base + DSI_CMD_PKT_STATUS,
 					 val, !(val & GEN_PLD_W_FULL), 1000,
 					 CMD_PKT_STATUS_TIMEOUT_US);
 		if (ret < 0) {
-- 
2.12.0.rc0.230.gf625d4cdb9.dirty

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Thread

[PATCH v4 00/23] drm/rockchip: MIPI fixes & improvements John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 18/23] drm/rockchip: dw-mipi-dsi: use specific poll helper John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 13/23] drm/rockchip: dw-mipi-dsi: fix escape clock rate John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 23/23] drm/rockchip: dw-mipi-dsi: add reset control John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 12/23] drm/rockchip: dw-mipi-dsi: allow commands in panel_disable John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 02/23] drm/rockchip: dw-mipi-dsi: pass mode in where needed John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 07/23] drm/rockchip: dw-mipi-dsi: include bad value in error message John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 21/23] drm/rockchip: dw-mipi-dsi: defer probe if panel is not loaded John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 19/23] drm/rockchip: dw-mipi-dsi: use positive check for N{H,V}SYNC John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 06/23] drm/rockchip: dw-mipi-dsi: avoid out-of-bounds read on tx_buf John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 15/23] drm/rockchip: dw-mipi-dsi: configure PHY before enabling John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 08/23] drm/rockchip: dw-mipi-dsi: respect message flags John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 04/23] drm/rockchip: dw-mipi-dsi: fix command header writes John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 10/23] drm/rockchip: dw-mipi-dsi: don't assume buffer is aligned John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 11/23] drm/rockchip: dw-mipi-dsi: prepare panel after phy init John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 17/23] drm/rockchip: dw-mipi-dsi: improve PLL configuration John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 09/23] drm/rockchip: dw-mipi-dsi: only request HS clock when required John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 03/23] drm/rockchip: dw-mipi-dsi: remove mode_set hook John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 05/23] drm/rockchip: dw-mipi-dsi: fix generic packet status check John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 01/23] drm/rockchip: dw-mipi-dsi: don't configure hardware in mode_set for MIPI John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 16/23] drm/rockchip: dw-mipi-dsi: properly configure PHY timing John Keeping <john@metanate.com> - 2017-02-24 14:00 +0100
  [PATCH v4 22/23] drm/rockchip: dw-mipi-dsi: support non-burst modes John Keeping <john@metanate.com> - 2017-02-24 14:10 +0100
  Re: [PATCH v4 00/23] drm/rockchip: MIPI fixes & improvements Mark yao <mark.yao@rock-chips.com> - 2017-02-27 02:50 +0100
  Re: [PATCH v4 00/23] drm/rockchip: MIPI fixes & improvements Chris Zhong <zyw@rock-chips.com> - 2017-02-27 04:40 +0100

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