From patchwork Sat Jan 21 16:31:22 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Keeping X-Patchwork-Id: 9530459 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 909136020B for ; Sat, 21 Jan 2017 16:35:53 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8304928119 for ; Sat, 21 Jan 2017 16:35:53 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 77E292842E; Sat, 21 Jan 2017 16:35:53 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, T_DKIM_INVALID autolearn=no version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 1E4B128119 for ; Sat, 21 Jan 2017 16:35:53 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cUyds-0003Er-JN; Sat, 21 Jan 2017 16:35:52 +0000 Received: from dougal.metanate.com ([90.155.101.14] helo=metanate.com) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cUyaa-0005Vq-4r; Sat, 21 Jan 2017 16:32:34 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=simple/simple; d=metanate.com; s=stronger; h=References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From; bh=98+eGwdll5Ae3jKYzKJwLooTBkNeHH1mjHTHrBjIgqs=; b=gkt1lQBn3JvDUrpwok9Q49AaWW6OJPGLwTHg/ccN5BmKCsbbEOOHVMDPfQWH78F017rXQbC9EjSATiseuAIXZLn/u1BJs70r286wCRWEodzow4L/1jRYaAOZIq3QIElC/wAM3dt077rR1JVL3M2QNGRgNSz8nVOMJrqg4L3szoliy4E5mrEikYivbpyCCWs2G7EXBARL9OuZZctn+aOykVUE9yBEvpJOCZXCkkEBYJhnQI6PZIM/VWZkUQr/mFMTlOuST1XWkOtWqMvOrt+qDRaMEzrSZePT5NKrFJhZ8hbrkHV8AeQD3h9mdM5DSvgNRacwM7M2MIkyH4vaAQPnbw==; Received: from johnkeeping.plus.com ([81.174.171.191] helo=localhost.localdomain) by shrek.metanate.com with esmtpsa (TLSv1.2:DHE-RSA-AES128-GCM-SHA256:128) (Exim 4.83_RC2) (envelope-from ) id 1cUya4-0004rJ-PZ; Sat, 21 Jan 2017 16:31:56 +0000 From: John Keeping To: Mark Yao Subject: [PATCH v2 20/26] drm/rockchip: dw-mipi-dsi: use specific poll helper Date: Sat, 21 Jan 2017 16:31:22 +0000 Message-Id: <20170121163128.22240-21-john@metanate.com> X-Mailer: git-send-email 2.11.0.197.gb556de5.dirty In-Reply-To: <20170121163128.22240-1-john@metanate.com> References: <20170121163128.22240-1-john@metanate.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170121_083228_493488_6D23A73F X-CRM114-Status: UNSURE ( 8.28 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org, John Keeping , Chris Zhong , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 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 Reviewed-by: Chris Zhong --- 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 f2320cf1366c..3e19693ae59b 100644 --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c @@ -471,14 +471,14 @@ 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) { @@ -594,7 +594,7 @@ 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) { @@ -605,7 +605,7 @@ 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) { @@ -664,7 +664,7 @@ 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) {