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5c2eca676a
Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.24
Removed upstreamed:
generic/backport-6.6/838-v6.9-leds-trigger-netdev-Fix-kernel-panic-on-interface-re.patch[1]
generic/backport-6.6/981-mtd-spinand-Add-support-for-5-byte-IDs.patch[2]
mediatek/patches-6.6/831-thermal-drivers-mediatek-Fix-control-buffer-enablement-on-MT7896.patch[3]
Removed:
ipq40xx/patches-6.6/110-mtd-limit-OTP-nvmem-to-non-nand-devices.patch[4]
All other patches automatically rebased.
1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.24&id=10f2af1af8ab8a7064f193446abd5579d3def7e3
2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.24&id=9c74507e6c4382d12a5e418742b81fd441f03313
3. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.24&id=fe750e2744428be6aec7395b13df3b34381ce6b6
4. Acknowledgment to @DragonBlurp for pointing out the redundancy of this patch. dd78a59cd7
Build system: x86/64
Build-tested: x86/64/AMD Cezanne, flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3
Run-tested: x86/64/AMD Cezanne, flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3
Signed-off-by: John Audia <therealgraysky@proton.me>
148 lines
4.0 KiB
Diff
148 lines
4.0 KiB
Diff
From: Daniel Golle <daniel@makrotopia.org>
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Subject: libata: add ledtrig support
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This adds a LED trigger for each ATA port indicating disk activity.
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As this is needed only on specific platforms (NAS SoCs and such),
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these platforms should define ARCH_WANTS_LIBATA_LEDS if there
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are boards with LED(s) intended to indicate ATA disk activity and
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need the OS to take care of that.
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In that way, if not selected, LED trigger support not will be
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included in libata-core and both, codepaths and structures remain
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untouched.
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Signed-off-by: Daniel Golle <daniel@makrotopia.org>
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---
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drivers/ata/Kconfig | 16 ++++++++++++++++
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drivers/ata/libata-core.c | 41 +++++++++++++++++++++++++++++++++++++++++
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include/linux/libata.h | 9 +++++++++
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3 files changed, 66 insertions(+)
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--- a/drivers/ata/Kconfig
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+++ b/drivers/ata/Kconfig
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@@ -67,6 +67,22 @@ config ATA_FORCE
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If unsure, say Y.
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+config ARCH_WANT_LIBATA_LEDS
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+ bool
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+
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+config ATA_LEDS
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+ bool "support ATA port LED triggers"
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+ depends on ARCH_WANT_LIBATA_LEDS
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+ select NEW_LEDS
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+ select LEDS_CLASS
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+ select LEDS_TRIGGERS
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+ default y
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+ help
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+ This option adds a LED trigger for each registered ATA port.
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+ It is used to drive disk activity leds connected via GPIO.
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+
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+ If unsure, say N.
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+
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config ATA_ACPI
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bool "ATA ACPI Support"
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depends on ACPI
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--- a/drivers/ata/libata-core.c
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+++ b/drivers/ata/libata-core.c
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@@ -685,6 +685,17 @@ static inline void ata_set_tf_cdl(struct
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qc->flags |= ATA_QCFLAG_HAS_CDL | ATA_QCFLAG_RESULT_TF;
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}
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+#ifdef CONFIG_ATA_LEDS
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+#define LIBATA_BLINK_DELAY 20 /* ms */
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+static inline void ata_led_act(struct ata_port *ap)
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+{
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+ if (unlikely(!ap->ledtrig))
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+ return;
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+
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+ led_trigger_blink_oneshot(ap->ledtrig, LIBATA_BLINK_DELAY, LIBATA_BLINK_DELAY, 0);
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+}
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+#endif
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+
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/**
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* ata_build_rw_tf - Build ATA taskfile for given read/write request
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* @qc: Metadata associated with the taskfile to build
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@@ -4771,6 +4782,9 @@ void __ata_qc_complete(struct ata_queued
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link->active_tag = ATA_TAG_POISON;
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ap->nr_active_links--;
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}
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+#ifdef CONFIG_ATA_LEDS
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+ ata_led_act(ap);
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+#endif
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/* clear exclusive status */
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if (unlikely(qc->flags & ATA_QCFLAG_CLEAR_EXCL &&
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@@ -5494,6 +5508,9 @@ struct ata_port *ata_port_alloc(struct a
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ap->stats.unhandled_irq = 1;
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ap->stats.idle_irq = 1;
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#endif
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+#ifdef CONFIG_ATA_LEDS
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+ ap->ledtrig = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
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+#endif
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ata_sff_port_init(ap);
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return ap;
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@@ -5530,6 +5547,12 @@ static void ata_host_release(struct kref
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kfree(ap->pmp_link);
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kfree(ap->slave_link);
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kfree(ap->ncq_sense_buf);
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+#ifdef CONFIG_ATA_LEDS
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+ if (ap->ledtrig) {
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+ led_trigger_unregister(ap->ledtrig);
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+ kfree(ap->ledtrig);
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+ };
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+#endif
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kfree(ap);
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host->ports[i] = NULL;
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}
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@@ -5920,7 +5943,23 @@ int ata_host_register(struct ata_host *h
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host->ports[i]->print_id = atomic_inc_return(&ata_print_id);
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host->ports[i]->local_port_no = i + 1;
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}
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+#ifdef CONFIG_ATA_LEDS
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+ for (i = 0; i < host->n_ports; i++) {
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+ if (unlikely(!host->ports[i]->ledtrig))
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+ continue;
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+ snprintf(host->ports[i]->ledtrig_name,
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+ sizeof(host->ports[i]->ledtrig_name), "ata%u",
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+ host->ports[i]->print_id);
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+
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+ host->ports[i]->ledtrig->name = host->ports[i]->ledtrig_name;
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+
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+ if (led_trigger_register(host->ports[i]->ledtrig)) {
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+ kfree(host->ports[i]->ledtrig);
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+ host->ports[i]->ledtrig = NULL;
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+ }
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+ }
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+#endif
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/* Create associated sysfs transport objects */
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for (i = 0; i < host->n_ports; i++) {
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rc = ata_tport_add(host->dev,host->ports[i]);
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--- a/include/linux/libata.h
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+++ b/include/linux/libata.h
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@@ -23,6 +23,9 @@
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#include <linux/cdrom.h>
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#include <linux/sched.h>
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#include <linux/async.h>
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+#ifdef CONFIG_ATA_LEDS
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+#include <linux/leds.h>
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+#endif
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/*
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* Define if arch has non-standard setup. This is a _PCI_ standard
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@@ -875,6 +878,12 @@ struct ata_port {
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#ifdef CONFIG_ATA_ACPI
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struct ata_acpi_gtm __acpi_init_gtm; /* use ata_acpi_init_gtm() */
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#endif
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+
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+#ifdef CONFIG_ATA_LEDS
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+ struct led_trigger *ledtrig;
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+ char ledtrig_name[8];
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+#endif
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+
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/* owned by EH */
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u8 *ncq_sense_buf;
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u8 sector_buf[ATA_SECT_SIZE] ____cacheline_aligned;
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