From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiner Kallweit Subject: [PATCH v3 4/9] mmc: meson-gx: improve meson_mmc_irq_thread Date: Tue, 7 Feb 2017 22:34:41 +0100 Message-ID: <21f34e8d-471d-375b-cb9d-6b551d6b03fe@gmail.com> References: <0991d40b-e05b-2fcb-9ee4-7b529448de69@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: Received: from mail-wm0-f65.google.com ([74.125.82.65]:36823 "EHLO mail-wm0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932313AbdBGVoE (ORCPT ); Tue, 7 Feb 2017 16:44:04 -0500 Received: by mail-wm0-f65.google.com with SMTP id r18so30810907wmd.3 for ; Tue, 07 Feb 2017 13:44:04 -0800 (PST) In-Reply-To: <0991d40b-e05b-2fcb-9ee4-7b529448de69@gmail.com> Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Ulf Hansson , Kevin Hilman Cc: Carlo Caione , "linux-mmc@vger.kernel.org" , linux-amlogic@lists.infradead.org Remove unneeded variable ret and simplify the if block. Signed-off-by: Heiner Kallweit Acked-by: Kevin Hilman --- v3: - no changes --- drivers/mmc/host/meson-gx-mmc.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c index d6a4dfae..dd7f936c 100644 --- a/drivers/mmc/host/meson-gx-mmc.c +++ b/drivers/mmc/host/meson-gx-mmc.c @@ -666,7 +666,6 @@ static irqreturn_t meson_mmc_irq_thread(int irq, void *dev_id) struct mmc_command *cmd = host->cmd; struct mmc_data *data; unsigned int xfer_bytes; - int ret = IRQ_HANDLED; if (WARN_ON(!mrq)) return IRQ_NONE; @@ -675,14 +674,12 @@ static irqreturn_t meson_mmc_irq_thread(int irq, void *dev_id) return IRQ_NONE; data = cmd->data; - if (data) { + if (data && data->flags & MMC_DATA_READ) { xfer_bytes = data->blksz * data->blocks; - if (data->flags & MMC_DATA_READ) { - WARN_ON(xfer_bytes > host->bounce_buf_size); - sg_copy_from_buffer(data->sg, data->sg_len, - host->bounce_buf, xfer_bytes); - data->bytes_xfered = xfer_bytes; - } + WARN_ON(xfer_bytes > host->bounce_buf_size); + sg_copy_from_buffer(data->sg, data->sg_len, + host->bounce_buf, xfer_bytes); + data->bytes_xfered = xfer_bytes; } meson_mmc_read_resp(host->mmc, cmd); @@ -691,7 +688,7 @@ static irqreturn_t meson_mmc_irq_thread(int irq, void *dev_id) else meson_mmc_start_cmd(host->mmc, data->stop); - return ret; + return IRQ_HANDLED; } /* -- 2.11.0 From mboxrd@z Thu Jan 1 00:00:00 1970 From: hkallweit1@gmail.com (Heiner Kallweit) Date: Tue, 7 Feb 2017 22:34:41 +0100 Subject: [PATCH v3 4/9] mmc: meson-gx: improve meson_mmc_irq_thread In-Reply-To: <0991d40b-e05b-2fcb-9ee4-7b529448de69@gmail.com> References: <0991d40b-e05b-2fcb-9ee4-7b529448de69@gmail.com> Message-ID: <21f34e8d-471d-375b-cb9d-6b551d6b03fe@gmail.com> To: linus-amlogic@lists.infradead.org List-Id: linus-amlogic.lists.infradead.org Remove unneeded variable ret and simplify the if block. Signed-off-by: Heiner Kallweit Acked-by: Kevin Hilman --- v3: - no changes --- drivers/mmc/host/meson-gx-mmc.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c index d6a4dfae..dd7f936c 100644 --- a/drivers/mmc/host/meson-gx-mmc.c +++ b/drivers/mmc/host/meson-gx-mmc.c @@ -666,7 +666,6 @@ static irqreturn_t meson_mmc_irq_thread(int irq, void *dev_id) struct mmc_command *cmd = host->cmd; struct mmc_data *data; unsigned int xfer_bytes; - int ret = IRQ_HANDLED; if (WARN_ON(!mrq)) return IRQ_NONE; @@ -675,14 +674,12 @@ static irqreturn_t meson_mmc_irq_thread(int irq, void *dev_id) return IRQ_NONE; data = cmd->data; - if (data) { + if (data && data->flags & MMC_DATA_READ) { xfer_bytes = data->blksz * data->blocks; - if (data->flags & MMC_DATA_READ) { - WARN_ON(xfer_bytes > host->bounce_buf_size); - sg_copy_from_buffer(data->sg, data->sg_len, - host->bounce_buf, xfer_bytes); - data->bytes_xfered = xfer_bytes; - } + WARN_ON(xfer_bytes > host->bounce_buf_size); + sg_copy_from_buffer(data->sg, data->sg_len, + host->bounce_buf, xfer_bytes); + data->bytes_xfered = xfer_bytes; } meson_mmc_read_resp(host->mmc, cmd); @@ -691,7 +688,7 @@ static irqreturn_t meson_mmc_irq_thread(int irq, void *dev_id) else meson_mmc_start_cmd(host->mmc, data->stop); - return ret; + return IRQ_HANDLED; } /* -- 2.11.0