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Signed-off-by: Ming Qian --- drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.c | 5 +++++ drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.h | 1 + drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c | 1 + 3 files changed, 7 insertions(+) diff --git a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.c b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.c index ef28122a5ed4..bbd5d6a9fc86 100644 --- a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.c +++ b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.c @@ -178,3 +178,8 @@ void mxc_jpeg_set_desc(u32 desc, void __iomem *reg, int slot) writel(desc | MXC_NXT_DESCPT_EN, reg + MXC_SLOT_OFFSET(slot, SLOT_NXT_DESCPT_PTR)); } + +void mxc_jpeg_clr_desc(void __iomem *reg, int slot) +{ + writel(0, reg + MXC_SLOT_OFFSET(slot, SLOT_NXT_DESCPT_PTR)); +} diff --git a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.h b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.h index ecf3b6562ba2..8b7cd6526efd 100644 --- a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.h +++ b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.h @@ -137,6 +137,7 @@ void mxc_jpeg_set_bufsize(struct mxc_jpeg_desc *desc, u32 bufsize); void mxc_jpeg_set_res(struct mxc_jpeg_desc *desc, u16 w, u16 h); void mxc_jpeg_set_line_pitch(struct mxc_jpeg_desc *desc, u32 line_pitch); void mxc_jpeg_set_desc(u32 desc, void __iomem *reg, int slot); +void mxc_jpeg_clr_desc(void __iomem *reg, int slot); void mxc_jpeg_set_regs_from_desc(struct mxc_jpeg_desc *desc, void __iomem *reg); #endif diff --git a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c index 97e61e28c649..7c3ad1ee4769 100644 --- a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c +++ b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c @@ -692,6 +692,7 @@ static irqreturn_t mxc_jpeg_dec_irq(int irq, void *priv) u32 ret = readl(reg + CAST_STATUS12); dev_err(dev, "Encoder/decoder error, status=0x%08x", ret); + mxc_jpeg_clr_desc(reg, slot); mxc_jpeg_sw_reset(reg); buf_state = VB2_BUF_STATE_ERROR; goto buffers_done; -- 2.38.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A0B8EC4332F for ; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org clear slot next desc ptr if config error, otherwise codec will report config error interrupt repeatedly, it may led to system hang. Signed-off-by: Ming Qian --- drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.c | 5 +++++ drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.h | 1 + drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c | 1 + 3 files changed, 7 insertions(+) diff --git a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.c b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.c index ef28122a5ed4..bbd5d6a9fc86 100644 --- a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.c +++ b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.c @@ -178,3 +178,8 @@ void mxc_jpeg_set_desc(u32 desc, void __iomem *reg, int slot) writel(desc | MXC_NXT_DESCPT_EN, reg + MXC_SLOT_OFFSET(slot, SLOT_NXT_DESCPT_PTR)); } + +void mxc_jpeg_clr_desc(void __iomem *reg, int slot) +{ + writel(0, reg + MXC_SLOT_OFFSET(slot, SLOT_NXT_DESCPT_PTR)); +} diff --git a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.h b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.h index ecf3b6562ba2..8b7cd6526efd 100644 --- a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.h +++ b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.h @@ -137,6 +137,7 @@ void mxc_jpeg_set_bufsize(struct mxc_jpeg_desc *desc, u32 bufsize); void mxc_jpeg_set_res(struct mxc_jpeg_desc *desc, u16 w, u16 h); void mxc_jpeg_set_line_pitch(struct mxc_jpeg_desc *desc, u32 line_pitch); void mxc_jpeg_set_desc(u32 desc, void __iomem *reg, int slot); +void mxc_jpeg_clr_desc(void __iomem *reg, int slot); void mxc_jpeg_set_regs_from_desc(struct mxc_jpeg_desc *desc, void __iomem *reg); #endif diff --git a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c index 97e61e28c649..7c3ad1ee4769 100644 --- a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c +++ b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c @@ -692,6 +692,7 @@ static irqreturn_t mxc_jpeg_dec_irq(int irq, void *priv) u32 ret = readl(reg + CAST_STATUS12); dev_err(dev, "Encoder/decoder error, status=0x%08x", ret); + mxc_jpeg_clr_desc(reg, slot); mxc_jpeg_sw_reset(reg); buf_state = VB2_BUF_STATE_ERROR; goto buffers_done; -- 2.38.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel