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e44e60b290
Resolved merge conflict in the following patches: layerscape: 701-net-0213-dpaa2-eth-Add-CEETM-qdisc-support.patch ramips: 0013-owrt-hack-fix-mt7688-cache-issue.patch Refreshed patches, removed upstreamed patch: bcm63xx: 020-v5.8-mtd-rawnand-brcmnand-fix-hamming-oob-layout.patch Run tested: qemu-x86-64 Build tested: x86/64 Signed-off-by: Petr Štetiar <ynezz@true.cz>
49 lines
1.5 KiB
Diff
49 lines
1.5 KiB
Diff
From: Christopher Hill <ch6574@gmail.com>
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To: Mark Brown <broonie@kernel.org>
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Cc: Christopher Hill <ch6574@gmail.com>, linux-spi@vger.kernel.org,
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linux-kernel@vger.kernel.org
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Subject: [PATCH 1/3] spi: rb4xx: null pointer bug fix
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Date: Thu, 21 May 2020 14:36:29 -0400
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Message-Id: <20200521183631.37806-1-ch6574@gmail.com>
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X-Mailer: git-send-email 2.25.1
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MIME-Version: 1.0
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Sender: linux-spi-owner@vger.kernel.org
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Precedence: bulk
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List-ID: <linux-spi.vger.kernel.org>
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X-Mailing-List: linux-spi@vger.kernel.org
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This patch fixes a null pointer bug in the spi driver spi-rb4xx.c by
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moving the private data initialization to earlier in probe
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Signed-off-by: Christopher Hill <ch6574@gmail.com>
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---
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drivers/spi/spi-rb4xx.c | 10 +++++-----
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1 file changed, 5 insertions(+), 5 deletions(-)
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--- a/drivers/spi/spi-rb4xx.c
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+++ b/drivers/spi/spi-rb4xx.c
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@@ -158,6 +158,11 @@ static int rb4xx_spi_probe(struct platfo
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master->transfer_one = rb4xx_transfer_one;
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master->set_cs = rb4xx_set_cs;
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+ rbspi = spi_master_get_devdata(master);
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+ rbspi->base = spi_base;
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+ rbspi->clk = ahb_clk;
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+ platform_set_drvdata(pdev, rbspi);
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+
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err = devm_spi_register_master(&pdev->dev, master);
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if (err) {
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dev_err(&pdev->dev, "failed to register SPI master\n");
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@@ -168,11 +173,6 @@ static int rb4xx_spi_probe(struct platfo
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if (err)
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return err;
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- rbspi = spi_master_get_devdata(master);
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- rbspi->base = spi_base;
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- rbspi->clk = ahb_clk;
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- platform_set_drvdata(pdev, rbspi);
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-
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/* Enable SPI */
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rb4xx_write(rbspi, AR71XX_SPI_REG_FS, AR71XX_SPI_FS_GPIO);
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