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74d00a8c38
* properly format/comment all patches * merge debloat patches * merge Kconfig patches * merge swconfig patches * merge hotplug patches * drop 200-fix_localversion.patch - upstream * drop 222-arm_zimage_none.patch - unused * drop 252-mv_cesa_depends.patch - no longer required * drop 410-mtd-move-forward-declaration-of-struct-mtd_info.patch - unused * drop 661-fq_codel_keep_dropped_stats.patch - outdated * drop 702-phy_add_aneg_done_function.patch - upstream * drop 840-rtc7301.patch - unused * drop 841-rtc_pt7c4338.patch - upstream * drop 921-use_preinit_as_init.patch - unused * drop spio-gpio-old and gpio-mmc - unused Signed-off-by: John Crispin <john@phrozen.org>
93 lines
3.1 KiB
Diff
93 lines
3.1 KiB
Diff
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Subject: [PATCH] Revert "bcma: init serial console directly from ChipCommon
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code"
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This reverts commit 4c81acab3816 ("bcma: init serial console directly
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from ChipCommon code") as it broke IRQ assignment. Getting IRQ with
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bcma_core_irq helper on SoC requires MIPS core to be set. It happens
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*after* ChipCommon initialization so we can't do this so early.
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This fixes a user reported regression. It wasn't critical as serial was
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still somehow working but lack of IRQs was making in unreliable.
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Fixes: 4c81acab3816 ("bcma: init serial console directly from ChipCommon code")
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Reported-by: Felix Fietkau <nbd@nbd.name>
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Cc: stable@vger.kernel.org # 4.6+
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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---
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drivers/bcma/bcma_private.h | 3 +++
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drivers/bcma/driver_chipcommon.c | 11 +++--------
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drivers/bcma/driver_mips.c | 3 +++
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3 files changed, 9 insertions(+), 8 deletions(-)
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--- a/drivers/bcma/bcma_private.h
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+++ b/drivers/bcma/bcma_private.h
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@@ -45,6 +45,9 @@ int bcma_sprom_get(struct bcma_bus *bus)
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void bcma_core_chipcommon_early_init(struct bcma_drv_cc *cc);
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void bcma_core_chipcommon_init(struct bcma_drv_cc *cc);
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void bcma_chipco_bcm4331_ext_pa_lines_ctl(struct bcma_drv_cc *cc, bool enable);
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+#ifdef CONFIG_BCMA_DRIVER_MIPS
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+void bcma_chipco_serial_init(struct bcma_drv_cc *cc);
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+#endif /* CONFIG_BCMA_DRIVER_MIPS */
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/* driver_chipcommon_b.c */
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int bcma_core_chipcommon_b_init(struct bcma_drv_cc_b *ccb);
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--- a/drivers/bcma/driver_chipcommon.c
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+++ b/drivers/bcma/driver_chipcommon.c
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@@ -15,8 +15,6 @@
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#include <linux/platform_device.h>
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#include <linux/bcma/bcma.h>
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-static void bcma_chipco_serial_init(struct bcma_drv_cc *cc);
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-
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static inline u32 bcma_cc_write32_masked(struct bcma_drv_cc *cc, u16 offset,
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u32 mask, u32 value)
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{
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@@ -186,9 +184,6 @@ void bcma_core_chipcommon_early_init(str
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if (cc->capabilities & BCMA_CC_CAP_PMU)
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bcma_pmu_early_init(cc);
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- if (IS_BUILTIN(CONFIG_BCM47XX) && bus->hosttype == BCMA_HOSTTYPE_SOC)
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- bcma_chipco_serial_init(cc);
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-
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if (bus->hosttype == BCMA_HOSTTYPE_SOC)
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bcma_core_chipcommon_flash_detect(cc);
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@@ -378,9 +373,9 @@ u32 bcma_chipco_gpio_pulldown(struct bcm
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return res;
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}
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-static void bcma_chipco_serial_init(struct bcma_drv_cc *cc)
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+#ifdef CONFIG_BCMA_DRIVER_MIPS
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+void bcma_chipco_serial_init(struct bcma_drv_cc *cc)
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{
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-#if IS_BUILTIN(CONFIG_BCM47XX)
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unsigned int irq;
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u32 baud_base;
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u32 i;
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@@ -422,5 +417,5 @@ static void bcma_chipco_serial_init(stru
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ports[i].baud_base = baud_base;
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ports[i].reg_shift = 0;
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}
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-#endif /* CONFIG_BCM47XX */
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}
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+#endif /* CONFIG_BCMA_DRIVER_MIPS */
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--- a/drivers/bcma/driver_mips.c
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+++ b/drivers/bcma/driver_mips.c
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@@ -278,9 +278,12 @@ static void bcma_core_mips_nvram_init(st
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void bcma_core_mips_early_init(struct bcma_drv_mips *mcore)
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{
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+ struct bcma_bus *bus = mcore->core->bus;
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+
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if (mcore->early_setup_done)
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return;
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+ bcma_chipco_serial_init(&bus->drv_cc);
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bcma_core_mips_nvram_init(mcore);
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mcore->early_setup_done = true;
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