Re: [PATCH v3 18/24] drm/rockchip: dw-mipi-dsi: use specific poll helper

Sean Paul
2017-01-31T18:45:08Z

On Sun, Jan 29, 2017 at 01:24:38PM +0000, John Keeping wrote:
> As the documentation for readx_poll_timeout says, we want to use the
> specialized macro for readl rather than using the generic version
> directly.
>

Reviewed-by: Sean Paul <seanpaul@chromium.org>

> Signed-off-by: John Keeping <john@metanate.com>
> Reviewed-by: Chris Zhong <zyw@rock-chips.com>
> ---
> 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 dcb66a21e1f1..be395c3c5c06 100644
> --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
> +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
> @@ -474,14 +474,14 @@ 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) {
> @@ -597,7 +597,7 @@ 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) {
> @@ -608,7 +608,7 @@ 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) {
> @@ -667,7 +667,7 @@ 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) {
> --
> 2.11.0.197.gb556de5.dirty
>
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> dri-devel@lists.freedesktop.org
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--
Sean Paul, Software Engineer, Google / Chromium OS