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b6cdc042af
Refreshed all patches. The patch hack-4.19/550-loop-better-discard-for-block-devices.patch was replaced with an new version of the patch from: https://lore.kernel.org/patchwork/patch/1153625/ https://lore.kernel.org/patchwork/patch/1153626/ Compile-tested on: ipq40xx, lantiq Runtime-tested on: ipq40xx, lantiq Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
33 lines
1.3 KiB
Diff
33 lines
1.3 KiB
Diff
From ce0e4cf60033eb7e15266b329183f945f2a82c61 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Mon, 2 Dec 2019 10:28:44 +0000
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Subject: [PATCH] spidev: Completely disable the DT warning
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The upstream SPI and DT maintainers are completely opposed to declaring
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in Device Tree that an SPI CS line is to be managed by the spidev
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driver, even though the facility is useful on a hobbyist device like a
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Raspberry Pi where arbitrary devices can be attached, and the
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alternative to DT declaration (spi_board_info) has been almost entirely
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rendered obsolete by DT.
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Continue to override their objections by disabling the warning.
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See: https://github.com/raspberrypi/linux/issues/3361
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https://github.com/raspberrypi/linux/issues/1054
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Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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---
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drivers/spi/spidev.c | 1 +
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1 file changed, 1 insertion(+)
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--- a/drivers/spi/spidev.c
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+++ b/drivers/spi/spidev.c
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@@ -728,6 +728,7 @@ static int spidev_probe(struct spi_devic
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* compatible string, it is a Linux implementation thing
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* rather than a description of the hardware.
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*/
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+ if (0) /* Disable the warning - this feature is too useful */
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WARN(spi->dev.of_node &&
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of_device_is_compatible(spi->dev.of_node, "spidev"),
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"%pOF: buggy DT: spidev listed directly in DT\n", spi->dev.of_node);
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