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919e0001b4
Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.56 Removed upstreamed: - airoha/patches-6.12/028-v6.13-spi-airoha-do-not-keep-tx-rx-dma-buffer-always-mappe.patch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.12.56&id=ad00df9ee321e87639a740e6e372f11bfe5af52c - airoha/patches-6.12/029-01-spi-airoha-return-an-error-for-continuous-mode-di.patch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/drivers/spi?h=v6.12.56&id=f5dc5baa5b04ceb0fca2460bc2863921f0e7ede5 - airoha/patches-6.12/029-03-spi-airoha-add-support-of-dual-quad-wires-spi-mod.patch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.12.56&id=182221d35c1427630ea6d9de9953c2280848c851 - airoha/patches-6.12/029-05-spi-airoha-switch-back-to-non-dma-mode-in-the-cas.patch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.12.56&id=8063828625359826316c5a1885e9ea341bbdb1b3 - airoha/patches-6.12/029-06-spi-airoha-fix-reading-writing-of-flashes-with-mo.patch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.12.56&id=4e9a2d592d91b902f918158c1049eef19f9cce90 - mediatek/patches-6.12/810-tty-serial-8250_mtk-enable-baud-clock.patch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.12.56&id=7cbf5ed24a26d4d80dcc19eb2259fdb9b179d5cf All other patches automatically rebased. Build system: x86/64 Build-tested: mediatek/filogic Run-tested: mediatek/filogic Signed-off-by: Edoardo Pinci <epinci@outlook.com> Link: https://github.com/openwrt/openwrt/pull/20589 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
27 lines
837 B
Diff
27 lines
837 B
Diff
From f9ac7286c1223889ea23a53d58dcad4cb6fc1cbb Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Fri, 2 Feb 2024 15:41:29 +0000
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Subject: [PATCH] serial: sc16is7xx: Don't spin if no data received
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There are multiple causes of interrupts, errors being one, and only the
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receipt of data warrants continued polling.
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See: https://github.com/raspberrypi/linux/issues/2676
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Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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---
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drivers/tty/serial/sc16is7xx.c | 2 ++
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1 file changed, 2 insertions(+)
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--- a/drivers/tty/serial/sc16is7xx.c
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+++ b/drivers/tty/serial/sc16is7xx.c
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@@ -814,6 +814,8 @@ static bool sc16is7xx_port_irq(struct sc
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if (rxlen)
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sc16is7xx_handle_rx(port, rxlen, iir);
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+ else
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+ rc = false;
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break;
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/* CTSRTS interrupt comes only when CTS goes inactive */
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case SC16IS7XX_IIR_CTSRTS_SRC:
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