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f5919b65d4
Patch generation process: - rebase rpi/rpi-4.14.y on v4.14.89 from linux-stable - git format-patch v4.14.89 Patches skipped during rebase: - lan78xx: Read MAC address from DT if present - lan78xx: Enable LEDs and auto-negotiation - Revert "softirq: Let ksoftirqd do its job" - sc16is7xx: Fix for multi-channel stall - lan78xx: Ignore DT MAC address if already valid - lan78xx: Simple patch to prevent some crashes - tcp_write_queue_purge clears all the SKBs in the write queue - Revert "lan78xx: Simple patch to prevent some crashes" - lan78xx: Connect phy early - Arm: mm: ftrace: Only set text back to ro after kernel has been marked ro - Revert "Revert "softirq: Let ksoftirqd do its job"" - ASoC: cs4265: SOC_SINGLE register value error fix - Revert "ASoC: cs4265: SOC_SINGLE register value error fix" - Revert "net: pskb_trim_rcsum() and CHECKSUM_COMPLETE are friends" - Revert "Revert "net: pskb_trim_rcsum() and CHECKSUM_COMPLETE are friends"" Patches dropped after rebase: - net: Add non-mainline source for rtl8192cu wlan - net: Fix rtl8192cu build errors on other platforms - brcm: adds support for BCM43341 wifi - brcmfmac: Mute expected startup 'errors' - ARM64: Fix build break for RTL8187/RTL8192CU wifi - ARM64: Enable RTL8187/RTL8192CU wifi in build config - This is the driver for Sony CXD2880 DVB-T2/T tuner + demodulator - brcmfmac: add CLM download support - brcmfmac: request_firmware_direct is quieter - Sets the BCDC priority to constant 0 - brcmfmac: Disable ARP offloading when promiscuous - brcmfmac: Avoid possible out-of-bounds read - brcmfmac: Delete redundant length check - net: rtl8192cu: Normalize indentation - net: rtl8192cu: Fix implicit fallthrough warnings - Revert "Sets the BCDC priority to constant 0" - media: cxd2880: Bump to match 4.18.y version - media: cxd2880-spi: Bump to match 4.18.y version - Revert "mm: alloc_contig: re-allow CMA to compact FS pages" - Revert "Revert "mm: alloc_contig: re-allow CMA to compact FS pages"" - cxd2880: CXD2880_SPI_DRV should select DVB_CXD2880 with MEDIA_SUBDRV_AUTOSELECT - 950-0421-HID-hid-bigbenff-driver-for-BigBen-Interactive-PS3OF.patch - 950-0453-Add-hid-bigbenff-to-list-of-have_special_driver-for-.patch Make I2C built-in instead of modular as in upstream defconfig; also the easiest way to get MFD_ARIZONA enabled, which is required by kmod-sound-soc-rpi-cirrus. Add missing compatible strings from 4.9/960-add-rasbperrypi-compatible.patch, using upstream names for compute modules. Add extra patch to enable the LEDs on lan78xx. Compile-tested: bcm2708, bcm2709, bcm2710 (with CONFIG_ALL_KMODS=y) Runtime-tested: bcm2708, bcm2710 Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
47 lines
1.5 KiB
Diff
47 lines
1.5 KiB
Diff
From aeb94070e992a60cf33f0300c8317b39e3ae16db Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Tue, 24 Apr 2018 14:42:27 +0100
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Subject: [PATCH 280/454] gpiolib: Don't prevent IRQ usage of output GPIOs
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Upstream Linux deems using output GPIOs to generate IRQs as a bogus
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use case, even though the BCM2835 GPIO controller is capable of doing
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so. A number of users would like to make use of this facility, so
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disable the checks.
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See: https://github.com/raspberrypi/linux/issues/2527
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Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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---
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drivers/gpio/gpiolib.c | 6 ++++--
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1 file changed, 4 insertions(+), 2 deletions(-)
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--- a/drivers/gpio/gpiolib.c
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+++ b/drivers/gpio/gpiolib.c
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@@ -53,6 +53,8 @@
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#define extra_checks 0
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#endif
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+#define dont_test_bit(b,d) (0)
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+
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/* Device and char device-related information */
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static DEFINE_IDA(gpio_ida);
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static dev_t gpio_devt;
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@@ -2303,7 +2305,7 @@ static int _gpiod_direction_output_raw(s
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int ret;
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/* GPIOs used for IRQs shall not be set as output */
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- if (test_bit(FLAG_USED_AS_IRQ, &desc->flags)) {
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+ if (dont_test_bit(FLAG_USED_AS_IRQ, &desc->flags)) {
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gpiod_err(desc,
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"%s: tried to set a GPIO tied to an IRQ as output\n",
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__func__);
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@@ -2818,7 +2820,7 @@ int gpiochip_lock_as_irq(struct gpio_chi
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set_bit(FLAG_IS_OUT, &desc->flags);
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}
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- if (test_bit(FLAG_IS_OUT, &desc->flags)) {
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+ if (dont_test_bit(FLAG_IS_OUT, &desc->flags)) {
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chip_err(chip,
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"%s: tried to flag a GPIO set as output for IRQ\n",
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__func__);
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