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author | Rui Salvaterra <rsalvaterra@gmail.com> | 2021-05-13 15:49:54 +0100 |
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committer | Rui Salvaterra <rsalvaterra@gmail.com> | 2021-05-14 08:46:45 +0100 |
commit | 6a57e1fbfc39a47e8a2dbe243953c7fc5e3fa4dc (patch) | |
tree | bf6c49356f19f3283839669b359ed9a77f4622fc /target/linux/ath79/patches-5.10/0054-spi-sync-up-initial-chipselect-state.patch | |
parent | 678001989261618cb834050c7a08ec07671f6c94 (diff) | |
download | upstream-6a57e1fbfc39a47e8a2dbe243953c7fc5e3fa4dc.tar.gz upstream-6a57e1fbfc39a47e8a2dbe243953c7fc5e3fa4dc.tar.bz2 upstream-6a57e1fbfc39a47e8a2dbe243953c7fc5e3fa4dc.zip |
kernel: bump 5.10 to 5.10.36
Automatically refreshed:
apm821xx/patches-5.10/802-usb-xhci-force-msi-renesas-xhci.patch
ath79/patches-5.10/410-spi-ath79-Implement-the-spi_mem-interface.patch
bcm63xx/patches-5.10/143-gpio-fix-device-tree-gpio-hogs-on-dual-role-gpio-pin.patch
generic/pending-5.10/465-m25p80-mx-disable-software-protection.patch
ipq806x/patches-5.10/0069-arm-boot-add-dts-files.patch
ipq806x/patches-5.10/101-dwmac-ipq806x-qsgmii-pcs-all-ch-ctl.patch
ipq806x/patches-5.10/106-5.13-net-stmmac-Set-FIFO-sizes-for-ipq806x.patch
Deleted (empty or reverse-appliable):
ath79/patches-5.10/411-spi-ath79-add-SPI_MASTER_GPIO_SS-flag.patch
ath79/patches-5.10/0050-spi-ath79-remove-spi-master-setup-and-cleanup-assign.patch
ath79/patches-5.10/0054-spi-sync-up-initial-chipselect-state.patch
Manually refreshed:
ath79/patches-5.10/0033-spi-ath79-drop-pdata-support.patch
Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
Diffstat (limited to 'target/linux/ath79/patches-5.10/0054-spi-sync-up-initial-chipselect-state.patch')
-rw-r--r-- | target/linux/ath79/patches-5.10/0054-spi-sync-up-initial-chipselect-state.patch | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/target/linux/ath79/patches-5.10/0054-spi-sync-up-initial-chipselect-state.patch b/target/linux/ath79/patches-5.10/0054-spi-sync-up-initial-chipselect-state.patch deleted file mode 100644 index 7329ae5827..0000000000 --- a/target/linux/ath79/patches-5.10/0054-spi-sync-up-initial-chipselect-state.patch +++ /dev/null @@ -1,89 +0,0 @@ -From 4b7d7f85abac1e7ad9e8b745694e470f0729f527 Mon Sep 17 00:00:00 2001 -From: David Bauer <mail@david-bauer.net> -Date: Wed, 3 Mar 2021 17:11:34 +0100 -Subject: [PATCH] spi: sync up initial chipselect state - -When initially probing the SPI slave device, the call for disabling an -SPI device without the SPI_CS_HIGH flag is not applied, as the -condition for checking whether or not the state to be applied equals the -one currently set evaluates to true. - -This however might not necessarily be the case, as the chipselect might -be active. - -Add a force flag to spi_set_cs which allows to override this -early access condition. Set it to false everywhere except when called -from spi_setup to sync up the initial CS state. - -Fixes commit d40f0b6f2e21 ("spi: Avoid setting the chip select if we don't -need to") - -Signed-off-by: David Bauer <mail@david-bauer.net> ---- - drivers/spi/spi.c | 16 ++++++++-------- - 1 file changed, 8 insertions(+), 8 deletions(-) - ---- a/drivers/spi/spi.c -+++ b/drivers/spi/spi.c -@@ -787,7 +787,7 @@ int spi_register_board_info(struct spi_b - - /*-------------------------------------------------------------------------*/ - --static void spi_set_cs(struct spi_device *spi, bool enable) -+static void spi_set_cs(struct spi_device *spi, bool enable, bool force) - { - bool enable1 = enable; - -@@ -795,7 +795,7 @@ static void spi_set_cs(struct spi_device - * Avoid calling into the driver (or doing delays) if the chip select - * isn't actually changing from the last time this was called. - */ -- if ((spi->controller->last_cs_enable == enable) && -+ if (!force && (spi->controller->last_cs_enable == enable) && - (spi->controller->last_cs_mode_high == (spi->mode & SPI_CS_HIGH))) - return; - -@@ -1243,7 +1243,7 @@ static int spi_transfer_one_message(stru - struct spi_statistics *statm = &ctlr->statistics; - struct spi_statistics *stats = &msg->spi->statistics; - -- spi_set_cs(msg->spi, true); -+ spi_set_cs(msg->spi, true, false); - - SPI_STATISTICS_INCREMENT_FIELD(statm, messages); - SPI_STATISTICS_INCREMENT_FIELD(stats, messages); -@@ -1311,9 +1311,9 @@ fallback_pio: - &msg->transfers)) { - keep_cs = true; - } else { -- spi_set_cs(msg->spi, false); -+ spi_set_cs(msg->spi, false, false); - _spi_transfer_cs_change_delay(msg, xfer); -- spi_set_cs(msg->spi, true); -+ spi_set_cs(msg->spi, true, false); - } - } - -@@ -1322,7 +1322,7 @@ fallback_pio: - - out: - if (ret != 0 || !keep_cs) -- spi_set_cs(msg->spi, false); -+ spi_set_cs(msg->spi, false, false); - - if (msg->status == -EINPROGRESS) - msg->status = ret; -@@ -3400,11 +3400,11 @@ int spi_setup(struct spi_device *spi) - */ - status = 0; - -- spi_set_cs(spi, false); -+ spi_set_cs(spi, false, true); - pm_runtime_mark_last_busy(spi->controller->dev.parent); - pm_runtime_put_autosuspend(spi->controller->dev.parent); - } else { -- spi_set_cs(spi, false); -+ spi_set_cs(spi, false, true); - } - - mutex_unlock(&spi->controller->io_mutex); |