From 8602e62441aba276cafd68034b72162fbc5ca0a6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Wed, 6 Feb 2019 12:28:16 +0100 Subject: [PATCH] brcmfmac: pass bus to the __brcmf_err() in pcie.c MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This enables dev_err() usage (instead of pr_err()) in the __brcmf_err(). It makes error messages more meaningful and is important for debugging errors/bugs on systems with multiple brcmfmac supported devices. All bus files should follow & get updated similarly (soon). Signed-off-by: Rafał Miłecki Signed-off-by: Kalle Valo --- .../broadcom/brcm80211/brcmfmac/debug.h | 2 + .../broadcom/brcm80211/brcmfmac/pcie.c | 59 +++++++++++-------- 2 files changed, 38 insertions(+), 23 deletions(-) --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.h @@ -52,6 +52,7 @@ void __brcmf_err(struct brcmf_bus *bus, /* Macro for error messages. When debugging / tracing the driver all error * messages are important to us. */ +#ifndef brcmf_err #define brcmf_err(fmt, ...) \ do { \ if (IS_ENABLED(CPTCFG_BRCMDBG) || \ @@ -59,6 +60,7 @@ void __brcmf_err(struct brcmf_bus *bus, net_ratelimit()) \ __brcmf_err(NULL, __func__, fmt, ##__VA_ARGS__);\ } while (0) +#endif #if defined(DEBUG) || defined(CPTCFG_BRCM_TRACING) --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c @@ -30,6 +30,15 @@ #include #include +/* Custom brcmf_err() that takes bus arg and passes it further */ +#define brcmf_err(bus, fmt, ...) \ + do { \ + if (IS_ENABLED(CPTCFG_BRCMDBG) || \ + IS_ENABLED(CPTCFG_BRCM_TRACING) || \ + net_ratelimit()) \ + __brcmf_err(bus, __func__, fmt, ##__VA_ARGS__); \ + } while (0) + #include "debug.h" #include "bus.h" #include "commonring.h" @@ -529,6 +538,7 @@ static void brcmf_pcie_select_core(struct brcmf_pciedev_info *devinfo, u16 coreid) { const struct pci_dev *pdev = devinfo->pdev; + struct brcmf_bus *bus = dev_get_drvdata(&pdev->dev); struct brcmf_core *core; u32 bar0_win; @@ -546,7 +556,7 @@ brcmf_pcie_select_core(struct brcmf_pcie } } } else { - brcmf_err("Unsupported core selected %x\n", coreid); + brcmf_err(bus, "Unsupported core selected %x\n", coreid); } } @@ -840,9 +850,8 @@ static irqreturn_t brcmf_pcie_isr_thread static int brcmf_pcie_request_irq(struct brcmf_pciedev_info *devinfo) { - struct pci_dev *pdev; - - pdev = devinfo->pdev; + struct pci_dev *pdev = devinfo->pdev; + struct brcmf_bus *bus = dev_get_drvdata(&pdev->dev); brcmf_pcie_intr_disable(devinfo); @@ -853,7 +862,7 @@ static int brcmf_pcie_request_irq(struct brcmf_pcie_isr_thread, IRQF_SHARED, "brcmf_pcie_intr", devinfo)) { pci_disable_msi(pdev); - brcmf_err("Failed to request IRQ %d\n", pdev->irq); + brcmf_err(bus, "Failed to request IRQ %d\n", pdev->irq); return -EIO; } devinfo->irq_allocated = true; @@ -863,15 +872,14 @@ static int brcmf_pcie_request_irq(struct static void brcmf_pcie_release_irq(struct brcmf_pciedev_info *devinfo) { - struct pci_dev *pdev; + struct pci_dev *pdev = devinfo->pdev; + struct brcmf_bus *bus = dev_get_drvdata(&pdev->dev); u32 status; u32 count; if (!devinfo->irq_allocated) return; - pdev = devinfo->pdev; - brcmf_pcie_intr_disable(devinfo); free_irq(pdev->irq, devinfo); pci_disable_msi(pdev); @@ -883,7 +891,7 @@ static void brcmf_pcie_release_irq(struc count++; } if (devinfo->in_irq) - brcmf_err("Still in IRQ (processing) !!!\n"); + brcmf_err(bus, "Still in IRQ (processing) !!!\n"); status = brcmf_pcie_read_reg32(devinfo, BRCMF_PCIE_PCIE2REG_MAILBOXINT); brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_MAILBOXINT, status); @@ -1094,6 +1102,7 @@ static void brcmf_pcie_release_ringbuffe static int brcmf_pcie_init_ringbuffers(struct brcmf_pciedev_info *devinfo) { + struct brcmf_bus *bus = dev_get_drvdata(&devinfo->pdev->dev); struct brcmf_pcie_ringbuf *ring; struct brcmf_pcie_ringbuf *rings; u32 d2h_w_idx_ptr; @@ -1246,7 +1255,7 @@ static int brcmf_pcie_init_ringbuffers(s return 0; fail: - brcmf_err("Allocating ring buffers failed\n"); + brcmf_err(bus, "Allocating ring buffers failed\n"); brcmf_pcie_release_ringbuffers(devinfo); return -ENOMEM; } @@ -1269,6 +1278,7 @@ brcmf_pcie_release_scratchbuffers(struct static int brcmf_pcie_init_scratchbuffers(struct brcmf_pciedev_info *devinfo) { + struct brcmf_bus *bus = dev_get_drvdata(&devinfo->pdev->dev); u64 address; u32 addr; @@ -1308,7 +1318,7 @@ static int brcmf_pcie_init_scratchbuffer return 0; fail: - brcmf_err("Allocating scratch buffers failed\n"); + brcmf_err(bus, "Allocating scratch buffers failed\n"); brcmf_pcie_release_scratchbuffers(devinfo); return -ENOMEM; } @@ -1409,6 +1419,7 @@ static int brcmf_pcie_init_share_ram_info(struct brcmf_pciedev_info *devinfo, u32 sharedram_addr) { + struct brcmf_bus *bus = dev_get_drvdata(&devinfo->pdev->dev); struct brcmf_pcie_shared_info *shared; u32 addr; @@ -1420,7 +1431,8 @@ brcmf_pcie_init_share_ram_info(struct br brcmf_dbg(PCIE, "PCIe protocol version %d\n", shared->version); if ((shared->version > BRCMF_PCIE_MAX_SHARED_VERSION) || (shared->version < BRCMF_PCIE_MIN_SHARED_VERSION)) { - brcmf_err("Unsupported PCIE version %d\n", shared->version); + brcmf_err(bus, "Unsupported PCIE version %d\n", + shared->version); return -EINVAL; } @@ -1462,6 +1474,7 @@ static int brcmf_pcie_download_fw_nvram( const struct firmware *fw, void *nvram, u32 nvram_len) { + struct brcmf_bus *bus = dev_get_drvdata(&devinfo->pdev->dev); u32 sharedram_addr; u32 sharedram_addr_written; u32 loop_counter; @@ -1516,7 +1529,7 @@ static int brcmf_pcie_download_fw_nvram( loop_counter--; } if (sharedram_addr == sharedram_addr_written) { - brcmf_err("FW failed to initialize\n"); + brcmf_err(bus, "FW failed to initialize\n"); return -ENODEV; } brcmf_dbg(PCIE, "Shared RAM addr: 0x%08x\n", sharedram_addr); @@ -1527,16 +1540,15 @@ static int brcmf_pcie_download_fw_nvram( static int brcmf_pcie_get_resource(struct brcmf_pciedev_info *devinfo) { - struct pci_dev *pdev; + struct pci_dev *pdev = devinfo->pdev; + struct brcmf_bus *bus = dev_get_drvdata(&pdev->dev); int err; phys_addr_t bar0_addr, bar1_addr; ulong bar1_size; - pdev = devinfo->pdev; - err = pci_enable_device(pdev); if (err) { - brcmf_err("pci_enable_device failed err=%d\n", err); + brcmf_err(bus, "pci_enable_device failed err=%d\n", err); return err; } @@ -1549,7 +1561,7 @@ static int brcmf_pcie_get_resource(struc /* read Bar-1 mapped memory range */ bar1_size = pci_resource_len(pdev, 2); if ((bar1_size == 0) || (bar1_addr == 0)) { - brcmf_err("BAR1 Not enabled, device size=%ld, addr=%#016llx\n", + brcmf_err(bus, "BAR1 Not enabled, device size=%ld, addr=%#016llx\n", bar1_size, (unsigned long long)bar1_addr); return -EINVAL; } @@ -1558,7 +1570,7 @@ static int brcmf_pcie_get_resource(struc devinfo->tcm = ioremap_nocache(bar1_addr, bar1_size); if (!devinfo->regs || !devinfo->tcm) { - brcmf_err("ioremap() failed (%p,%p)\n", devinfo->regs, + brcmf_err(bus, "ioremap() failed (%p,%p)\n", devinfo->regs, devinfo->tcm); return -EINVAL; } @@ -1585,16 +1597,17 @@ static void brcmf_pcie_release_resource( static int brcmf_pcie_attach_bus(struct brcmf_pciedev_info *devinfo) { + struct brcmf_bus *bus = dev_get_drvdata(&devinfo->pdev->dev); int ret; /* Attach to the common driver interface */ ret = brcmf_attach(&devinfo->pdev->dev, devinfo->settings); if (ret) { - brcmf_err("brcmf_attach failed\n"); + brcmf_err(bus, "brcmf_attach failed\n"); } else { ret = brcmf_bus_started(&devinfo->pdev->dev); if (ret) - brcmf_err("dongle is not responding\n"); + brcmf_err(bus, "dongle is not responding\n"); } return ret; @@ -1823,7 +1836,7 @@ fail_bus: kfree(bus->msgbuf); kfree(bus); fail: - brcmf_err("failed %x:%x\n", pdev->vendor, pdev->device); + brcmf_err(NULL, "failed %x:%x\n", pdev->vendor, pdev->device); brcmf_pcie_release_resource(devinfo); if (devinfo->ci) brcmf_chip_detach(devinfo->ci); @@ -1897,7 +1910,7 @@ static int brcmf_pcie_pm_enter_D3(struct wait_event_timeout(devinfo->mbdata_resp_wait, devinfo->mbdata_completed, BRCMF_PCIE_MBDATA_TIMEOUT); if (!devinfo->mbdata_completed) { - brcmf_err("Timeout on response for entering D3 substate\n"); + brcmf_err(bus, "Timeout on response for entering D3 substate\n"); brcmf_bus_change_state(bus, BRCMF_BUS_UP); return -EIO; } @@ -1942,7 +1955,7 @@ cleanup: err = brcmf_pcie_probe(pdev, NULL); if (err) - brcmf_err("probe after resume failed, err=%d\n", err); + brcmf_err(bus, "probe after resume failed, err=%d\n", err); return err; } @@ -2014,7 +2027,8 @@ void brcmf_pcie_register(void) brcmf_dbg(PCIE, "Enter\n"); err = pci_register_driver(&brcmf_pciedrvr); if (err) - brcmf_err("PCIE driver registration failed, err=%d\n", err); + brcmf_err(NULL, "PCIE driver registration failed, err=%d\n", + err); }