From 8fdd0fb07c3f6bbe55d0a3ef49153e15a3538c7b Mon Sep 17 00:00:00 2001 From: =?utf8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Tue, 24 Mar 2015 10:39:10 +0000 Subject: [PATCH] kernel: backport rest of bcma patches MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit This backports bcma: allow disabling (not building) PCI driver Revert "bcma: Kconfig: Let it depend on PCI" Signed-off-by: Rafał Miłecki SVN-Revision: 44970 --- target/linux/brcm47xx/config-3.18 | 1 + .../patches-3.18/027-bcma-from-4.1.patch | 46 +++++++++++++------ .../patches-4.0/021-bcma-from-4.1.patch | 46 +++++++++++++------ 3 files changed, 67 insertions(+), 26 deletions(-) diff --git a/target/linux/brcm47xx/config-3.18 b/target/linux/brcm47xx/config-3.18 index e20df3027a0..82198ea989a 100644 --- a/target/linux/brcm47xx/config-3.18 +++ b/target/linux/brcm47xx/config-3.18 @@ -26,6 +26,7 @@ CONFIG_BCMA_DEBUG=y CONFIG_BCMA_DRIVER_GMAC_CMN=y CONFIG_BCMA_DRIVER_GPIO=y CONFIG_BCMA_DRIVER_MIPS=y +CONFIG_BCMA_DRIVER_PCI=y CONFIG_BCMA_DRIVER_PCI_HOSTMODE=y CONFIG_BCMA_HOST_PCI=y CONFIG_BCMA_HOST_PCI_POSSIBLE=y diff --git a/target/linux/generic/patches-3.18/027-bcma-from-4.1.patch b/target/linux/generic/patches-3.18/027-bcma-from-4.1.patch index 3a9ea3098f8..1d751a0c6d9 100644 --- a/target/linux/generic/patches-3.18/027-bcma-from-4.1.patch +++ b/target/linux/generic/patches-3.18/027-bcma-from-4.1.patch @@ -27,22 +27,43 @@ u32 bcma_pmu_get_alp_clock(struct bcma_drv_cc *cc); u32 bcma_pmu_get_cpu_clock(struct bcma_drv_cc *cc); -@@ -101,6 +107,14 @@ static inline void __exit bcma_host_soc_ +@@ -100,7 +106,35 @@ static inline void __exit bcma_host_soc_ + #endif /* CONFIG_BCMA_HOST_SOC && CONFIG_OF */ /* driver_pci.c */ ++#ifdef CONFIG_BCMA_DRIVER_PCI u32 bcma_pcie_read(struct bcma_drv_pci *pc, u32 address); +void bcma_core_pci_early_init(struct bcma_drv_pci *pc); +void bcma_core_pci_init(struct bcma_drv_pci *pc); +void bcma_core_pci_up(struct bcma_drv_pci *pc); +void bcma_core_pci_down(struct bcma_drv_pci *pc); ++#else ++static inline void bcma_core_pci_early_init(struct bcma_drv_pci *pc) ++{ ++ WARN_ON(pc->core->bus->hosttype == BCMA_HOSTTYPE_PCI); ++} ++static inline void bcma_core_pci_init(struct bcma_drv_pci *pc) ++{ ++ /* Initialization is required for PCI hosted bus */ ++ WARN_ON(pc->core->bus->hosttype == BCMA_HOSTTYPE_PCI); ++} ++#endif + +/* driver_pcie2.c */ ++#ifdef CONFIG_BCMA_DRIVER_PCI +void bcma_core_pcie2_init(struct bcma_drv_pcie2 *pcie2); +void bcma_core_pcie2_up(struct bcma_drv_pcie2 *pcie2); ++#else ++static inline void bcma_core_pcie2_init(struct bcma_drv_pcie2 *pcie2) ++{ ++ /* Initialization is required for PCI hosted bus */ ++ WARN_ON(pcie2->core->bus->hosttype == BCMA_HOSTTYPE_PCI); ++} ++#endif extern int bcma_chipco_watchdog_register(struct bcma_drv_cc *cc); -@@ -117,6 +131,39 @@ static inline void bcma_core_pci_hostmod +@@ -117,6 +151,39 @@ static inline void bcma_core_pci_hostmod } #endif /* CONFIG_BCMA_DRIVER_PCI_HOSTMODE */ @@ -509,7 +530,7 @@ extern int bcma_core_enable(struct bcma_device *core, u32 flags); --- a/include/linux/bcma/bcma_driver_pci.h +++ b/include/linux/bcma/bcma_driver_pci.h -@@ -238,12 +238,6 @@ struct bcma_drv_pci { +@@ -238,13 +238,13 @@ struct bcma_drv_pci { #define pcicore_write16(pc, offset, val) bcma_write16((pc)->core, offset, val) #define pcicore_write32(pc, offset, val) bcma_write32((pc)->core, offset, val) @@ -519,9 +540,16 @@ - struct bcma_device *core, bool enable); -extern void bcma_core_pci_up(struct bcma_bus *bus); -extern void bcma_core_pci_down(struct bcma_bus *bus); ++#ifdef CONFIG_BCMA_DRIVER_PCI extern void bcma_core_pci_power_save(struct bcma_bus *bus, bool up); ++#else ++static inline void bcma_core_pci_power_save(struct bcma_bus *bus, bool up) ++{ ++} ++#endif extern int bcma_core_pci_pcibios_map_irq(const struct pci_dev *dev); + extern int bcma_core_pci_plat_dev_init(struct pci_dev *dev); --- a/include/linux/bcma/bcma_driver_pcie2.h +++ b/include/linux/bcma/bcma_driver_pcie2.h @@ -143,6 +143,8 @@ @@ -542,14 +570,6 @@ #endif /* LINUX_BCMA_DRIVER_PCIE2_H_ */ --- a/drivers/bcma/Kconfig +++ b/drivers/bcma/Kconfig -@@ -1,6 +1,6 @@ - config BCMA_POSSIBLE - bool -- depends on HAS_IOMEM && HAS_DMA -+ depends on HAS_IOMEM && HAS_DMA && PCI - default y - - menu "Broadcom specific AMBA" @@ -26,6 +26,7 @@ config BCMA_HOST_PCI_POSSIBLE config BCMA_HOST_PCI bool "Support for BCMA on PCI-host bus" @@ -562,9 +582,9 @@ If unsure, say N -+# TODO: make it depend on PCI when ready +config BCMA_DRIVER_PCI -+ bool ++ bool "BCMA Broadcom PCI core driver" ++ depends on BCMA && PCI + default y + help + BCMA bus may have many versions of PCIe core. This driver diff --git a/target/linux/generic/patches-4.0/021-bcma-from-4.1.patch b/target/linux/generic/patches-4.0/021-bcma-from-4.1.patch index 17764d90b9a..8f3e167a35c 100644 --- a/target/linux/generic/patches-4.0/021-bcma-from-4.1.patch +++ b/target/linux/generic/patches-4.0/021-bcma-from-4.1.patch @@ -27,22 +27,43 @@ u32 bcma_pmu_get_alp_clock(struct bcma_drv_cc *cc); u32 bcma_pmu_get_cpu_clock(struct bcma_drv_cc *cc); -@@ -101,6 +107,14 @@ static inline void __exit bcma_host_soc_ +@@ -100,7 +106,35 @@ static inline void __exit bcma_host_soc_ + #endif /* CONFIG_BCMA_HOST_SOC && CONFIG_OF */ /* driver_pci.c */ ++#ifdef CONFIG_BCMA_DRIVER_PCI u32 bcma_pcie_read(struct bcma_drv_pci *pc, u32 address); +void bcma_core_pci_early_init(struct bcma_drv_pci *pc); +void bcma_core_pci_init(struct bcma_drv_pci *pc); +void bcma_core_pci_up(struct bcma_drv_pci *pc); +void bcma_core_pci_down(struct bcma_drv_pci *pc); ++#else ++static inline void bcma_core_pci_early_init(struct bcma_drv_pci *pc) ++{ ++ WARN_ON(pc->core->bus->hosttype == BCMA_HOSTTYPE_PCI); ++} ++static inline void bcma_core_pci_init(struct bcma_drv_pci *pc) ++{ ++ /* Initialization is required for PCI hosted bus */ ++ WARN_ON(pc->core->bus->hosttype == BCMA_HOSTTYPE_PCI); ++} ++#endif + +/* driver_pcie2.c */ ++#ifdef CONFIG_BCMA_DRIVER_PCI +void bcma_core_pcie2_init(struct bcma_drv_pcie2 *pcie2); +void bcma_core_pcie2_up(struct bcma_drv_pcie2 *pcie2); ++#else ++static inline void bcma_core_pcie2_init(struct bcma_drv_pcie2 *pcie2) ++{ ++ /* Initialization is required for PCI hosted bus */ ++ WARN_ON(pcie2->core->bus->hosttype == BCMA_HOSTTYPE_PCI); ++} ++#endif extern int bcma_chipco_watchdog_register(struct bcma_drv_cc *cc); -@@ -117,6 +131,39 @@ static inline void bcma_core_pci_hostmod +@@ -117,6 +151,39 @@ static inline void bcma_core_pci_hostmod } #endif /* CONFIG_BCMA_DRIVER_PCI_HOSTMODE */ @@ -509,7 +530,7 @@ extern int bcma_core_enable(struct bcma_device *core, u32 flags); --- a/include/linux/bcma/bcma_driver_pci.h +++ b/include/linux/bcma/bcma_driver_pci.h -@@ -238,12 +238,6 @@ struct bcma_drv_pci { +@@ -238,13 +238,13 @@ struct bcma_drv_pci { #define pcicore_write16(pc, offset, val) bcma_write16((pc)->core, offset, val) #define pcicore_write32(pc, offset, val) bcma_write32((pc)->core, offset, val) @@ -519,9 +540,16 @@ - struct bcma_device *core, bool enable); -extern void bcma_core_pci_up(struct bcma_bus *bus); -extern void bcma_core_pci_down(struct bcma_bus *bus); ++#ifdef CONFIG_BCMA_DRIVER_PCI extern void bcma_core_pci_power_save(struct bcma_bus *bus, bool up); ++#else ++static inline void bcma_core_pci_power_save(struct bcma_bus *bus, bool up) ++{ ++} ++#endif extern int bcma_core_pci_pcibios_map_irq(const struct pci_dev *dev); + extern int bcma_core_pci_plat_dev_init(struct pci_dev *dev); --- a/include/linux/bcma/bcma_driver_pcie2.h +++ b/include/linux/bcma/bcma_driver_pcie2.h @@ -143,6 +143,8 @@ @@ -542,14 +570,6 @@ #endif /* LINUX_BCMA_DRIVER_PCIE2_H_ */ --- a/drivers/bcma/Kconfig +++ b/drivers/bcma/Kconfig -@@ -1,6 +1,6 @@ - config BCMA_POSSIBLE - bool -- depends on HAS_IOMEM && HAS_DMA -+ depends on HAS_IOMEM && HAS_DMA && PCI - default y - - menu "Broadcom specific AMBA" @@ -26,6 +26,7 @@ config BCMA_HOST_PCI_POSSIBLE config BCMA_HOST_PCI bool "Support for BCMA on PCI-host bus" @@ -562,9 +582,9 @@ If unsure, say N -+# TODO: make it depend on PCI when ready +config BCMA_DRIVER_PCI -+ bool ++ bool "BCMA Broadcom PCI core driver" ++ depends on BCMA && PCI + default y + help + BCMA bus may have many versions of PCIe core. This driver -- 2.30.2