From f5919b65d4c671fd5083838c7a445f319f9a13c8 Mon Sep 17 00:00:00 2001 From: Stijn Tintel Date: Sat, 10 Nov 2018 13:03:18 +0200 Subject: brcm2708: add kernel 4.14 support 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 --- ...0-0292-net-mdiobus-add-unlocked-accessors.patch | 141 +++++++++++++++++++++ 1 file changed, 141 insertions(+) create mode 100644 target/linux/brcm2708/patches-4.14/950-0292-net-mdiobus-add-unlocked-accessors.patch (limited to 'target/linux/brcm2708/patches-4.14/950-0292-net-mdiobus-add-unlocked-accessors.patch') diff --git a/target/linux/brcm2708/patches-4.14/950-0292-net-mdiobus-add-unlocked-accessors.patch b/target/linux/brcm2708/patches-4.14/950-0292-net-mdiobus-add-unlocked-accessors.patch new file mode 100644 index 0000000000..5aec47e604 --- /dev/null +++ b/target/linux/brcm2708/patches-4.14/950-0292-net-mdiobus-add-unlocked-accessors.patch @@ -0,0 +1,141 @@ +From b2b8b06f18281c637da274b18e330bc52351637e Mon Sep 17 00:00:00 2001 +From: Russell King +Date: Tue, 2 Jan 2018 10:58:27 +0000 +Subject: [PATCH 292/454] net: mdiobus: add unlocked accessors + +commit 34dc08e4be208539b7c4aa8154a610e1736705e8 upstream. + +Add unlocked versions of the bus accessors, which allows access to the +bus with all the tracing. These accessors validate that the bus mutex +is held, which is a basic requirement for all mii bus accesses. + +Reviewed-by: Florian Fainelli +Signed-off-by: Russell King +Signed-off-by: David S. Miller +--- + drivers/net/phy/mdio_bus.c | 65 +++++++++++++++++++++++++++++++------- + include/linux/mdio.h | 3 ++ + 2 files changed, 56 insertions(+), 12 deletions(-) + +--- a/drivers/net/phy/mdio_bus.c ++++ b/drivers/net/phy/mdio_bus.c +@@ -493,6 +493,55 @@ struct phy_device *mdiobus_scan(struct m + EXPORT_SYMBOL(mdiobus_scan); + + /** ++ * __mdiobus_read - Unlocked version of the mdiobus_read function ++ * @bus: the mii_bus struct ++ * @addr: the phy address ++ * @regnum: register number to read ++ * ++ * Read a MDIO bus register. Caller must hold the mdio bus lock. ++ * ++ * NOTE: MUST NOT be called from interrupt context. ++ */ ++int __mdiobus_read(struct mii_bus *bus, int addr, u32 regnum) ++{ ++ int retval; ++ ++ WARN_ON_ONCE(!mutex_is_locked(&bus->mdio_lock)); ++ ++ retval = bus->read(bus, addr, regnum); ++ ++ trace_mdio_access(bus, 1, addr, regnum, retval, retval); ++ ++ return retval; ++} ++EXPORT_SYMBOL(__mdiobus_read); ++ ++/** ++ * __mdiobus_write - Unlocked version of the mdiobus_write function ++ * @bus: the mii_bus struct ++ * @addr: the phy address ++ * @regnum: register number to write ++ * @val: value to write to @regnum ++ * ++ * Write a MDIO bus register. Caller must hold the mdio bus lock. ++ * ++ * NOTE: MUST NOT be called from interrupt context. ++ */ ++int __mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val) ++{ ++ int err; ++ ++ WARN_ON_ONCE(!mutex_is_locked(&bus->mdio_lock)); ++ ++ err = bus->write(bus, addr, regnum, val); ++ ++ trace_mdio_access(bus, 0, addr, regnum, val, err); ++ ++ return err; ++} ++EXPORT_SYMBOL(__mdiobus_write); ++ ++/** + * mdiobus_read_nested - Nested version of the mdiobus_read function + * @bus: the mii_bus struct + * @addr: the phy address +@@ -512,11 +561,9 @@ int mdiobus_read_nested(struct mii_bus * + BUG_ON(in_interrupt()); + + mutex_lock_nested(&bus->mdio_lock, MDIO_MUTEX_NESTED); +- retval = bus->read(bus, addr, regnum); ++ retval = __mdiobus_read(bus, addr, regnum); + mutex_unlock(&bus->mdio_lock); + +- trace_mdio_access(bus, 1, addr, regnum, retval, retval); +- + return retval; + } + EXPORT_SYMBOL(mdiobus_read_nested); +@@ -538,11 +585,9 @@ int mdiobus_read(struct mii_bus *bus, in + BUG_ON(in_interrupt()); + + mutex_lock(&bus->mdio_lock); +- retval = bus->read(bus, addr, regnum); ++ retval = __mdiobus_read(bus, addr, regnum); + mutex_unlock(&bus->mdio_lock); + +- trace_mdio_access(bus, 1, addr, regnum, retval, retval); +- + return retval; + } + EXPORT_SYMBOL(mdiobus_read); +@@ -568,11 +613,9 @@ int mdiobus_write_nested(struct mii_bus + BUG_ON(in_interrupt()); + + mutex_lock_nested(&bus->mdio_lock, MDIO_MUTEX_NESTED); +- err = bus->write(bus, addr, regnum, val); ++ err = __mdiobus_write(bus, addr, regnum, val); + mutex_unlock(&bus->mdio_lock); + +- trace_mdio_access(bus, 0, addr, regnum, val, err); +- + return err; + } + EXPORT_SYMBOL(mdiobus_write_nested); +@@ -595,11 +638,9 @@ int mdiobus_write(struct mii_bus *bus, i + BUG_ON(in_interrupt()); + + mutex_lock(&bus->mdio_lock); +- err = bus->write(bus, addr, regnum, val); ++ err = __mdiobus_write(bus, addr, regnum, val); + mutex_unlock(&bus->mdio_lock); + +- trace_mdio_access(bus, 0, addr, regnum, val, err); +- + return err; + } + EXPORT_SYMBOL(mdiobus_write); +--- a/include/linux/mdio.h ++++ b/include/linux/mdio.h +@@ -257,6 +257,9 @@ static inline u16 ethtool_adv_to_mmd_eee + return reg; + } + ++int __mdiobus_read(struct mii_bus *bus, int addr, u32 regnum); ++int __mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val); ++ + int mdiobus_read(struct mii_bus *bus, int addr, u32 regnum); + int mdiobus_read_nested(struct mii_bus *bus, int addr, u32 regnum); + int mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val); -- cgit v1.2.3