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From:   Roja Rani Yarubandi <rojay@codeaurora.org>
To:     wsa@kernel.org
Cc:     swboyd@chromium.org, dianders@chromium.org,
        saiprakash.ranjan@codeaurora.org, gregkh@linuxfoundation.org,
        mka@chromium.org, akashast@codeaurora.org,
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        vkaur@codeaurora.org, pyarlaga@codeaurora.org,
        rnayak@codeaurora.org, agross@kernel.org,
        bjorn.andersson@linaro.org, linux-arm-msm@vger.kernel.org,
        linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org,
        sumit.semwal@linaro.org, linux-media@vger.kernel.org,
        Roja Rani Yarubandi <rojay@codeaurora.org>
Subject: [PATCH V6 1/3] soc: qcom: geni: Remove "iova" check
Date:   Fri, 30 Oct 2020 20:29:57 +0530
Message-Id: <20201030145959.505-2-rojay@codeaurora.org>
In-Reply-To: <20201030145959.505-1-rojay@codeaurora.org>
References: <20201030145959.505-1-rojay@codeaurora.org>
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Remove "iova" check from geni_se_tx_dma_unprep and geni_se_rx_dma_unprep
functions as checking with dma_mapping_error() is enough.

Signed-off-by: Roja Rani Yarubandi <rojay@codeaurora.org>
---
Changes in V5:
 - This is newly added patch in V5. As per Stephen's comments separted
   this patch from shutdown callback patch.

Changes in V6:
 - Fixed nit-picks in commit text.

 drivers/soc/qcom/qcom-geni-se.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/soc/qcom/qcom-geni-se.c b/drivers/soc/qcom/qcom-geni-se.c
index d0e4f520cff8..0216b38c1e9a 100644
--- a/drivers/soc/qcom/qcom-geni-se.c
+++ b/drivers/soc/qcom/qcom-geni-se.c
@@ -705,7 +705,7 @@ void geni_se_tx_dma_unprep(struct geni_se *se, dma_addr_t iova, size_t len)
 {
 	struct geni_wrapper *wrapper = se->wrapper;
 
-	if (iova && !dma_mapping_error(wrapper->dev, iova))
+	if (!dma_mapping_error(wrapper->dev, iova))
 		dma_unmap_single(wrapper->dev, iova, len, DMA_TO_DEVICE);
 }
 EXPORT_SYMBOL(geni_se_tx_dma_unprep);
@@ -722,7 +722,7 @@ void geni_se_rx_dma_unprep(struct geni_se *se, dma_addr_t iova, size_t len)
 {
 	struct geni_wrapper *wrapper = se->wrapper;
 
-	if (iova && !dma_mapping_error(wrapper->dev, iova))
+	if (!dma_mapping_error(wrapper->dev, iova))
 		dma_unmap_single(wrapper->dev, iova, len, DMA_FROM_DEVICE);
 }
 EXPORT_SYMBOL(geni_se_rx_dma_unprep);
-- 
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