diff options
Diffstat (limited to 'drivers/net/wireless/broadcom/b43')
| -rw-r--r-- | drivers/net/wireless/broadcom/b43/dma.c | 69 | ||||
| -rw-r--r-- | drivers/net/wireless/broadcom/b43/main.c | 7 | ||||
| -rw-r--r-- | drivers/net/wireless/broadcom/b43/phy_ac.c | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/broadcom/b43/ppr.c | 11 | ||||
| -rw-r--r-- | drivers/net/wireless/broadcom/b43/sdio.c | 6 |
5 files changed, 14 insertions, 85 deletions
diff --git a/drivers/net/wireless/broadcom/b43/dma.c b/drivers/net/wireless/broadcom/b43/dma.c index 806406aab43d..31bf71a80c26 100644 --- a/drivers/net/wireless/broadcom/b43/dma.c +++ b/drivers/net/wireless/broadcom/b43/dma.c @@ -797,7 +797,7 @@ static void free_all_descbuffers(struct b43_dmaring *ring) } } -static u64 supported_dma_mask(struct b43_wldev *dev) +static enum b43_dmatype b43_engine_type(struct b43_wldev *dev) { u32 tmp; u16 mmio_base; @@ -807,14 +807,14 @@ static u64 supported_dma_mask(struct b43_wldev *dev) case B43_BUS_BCMA: tmp = bcma_aread32(dev->dev->bdev, BCMA_IOST); if (tmp & BCMA_IOST_DMA64) - return DMA_BIT_MASK(64); + return B43_DMA_64BIT; break; #endif #ifdef CONFIG_B43_SSB case B43_BUS_SSB: tmp = ssb_read32(dev->dev->sdev, SSB_TMSHIGH); if (tmp & SSB_TMSHIGH_DMA64) - return DMA_BIT_MASK(64); + return B43_DMA_64BIT; break; #endif } @@ -823,20 +823,7 @@ static u64 supported_dma_mask(struct b43_wldev *dev) b43_write32(dev, mmio_base + B43_DMA32_TXCTL, B43_DMA32_TXADDREXT_MASK); tmp = b43_read32(dev, mmio_base + B43_DMA32_TXCTL); if (tmp & B43_DMA32_TXADDREXT_MASK) - return DMA_BIT_MASK(32); - - return DMA_BIT_MASK(30); -} - -static enum b43_dmatype dma_mask_to_engine_type(u64 dmamask) -{ - if (dmamask == DMA_BIT_MASK(30)) - return B43_DMA_30BIT; - if (dmamask == DMA_BIT_MASK(32)) return B43_DMA_32BIT; - if (dmamask == DMA_BIT_MASK(64)) - return B43_DMA_64BIT; - B43_WARN_ON(1); return B43_DMA_30BIT; } @@ -1043,42 +1030,6 @@ void b43_dma_free(struct b43_wldev *dev) destroy_ring(dma, tx_ring_mcast); } -static int b43_dma_set_mask(struct b43_wldev *dev, u64 mask) -{ - u64 orig_mask = mask; - bool fallback = false; - int err; - - /* Try to set the DMA mask. If it fails, try falling back to a - * lower mask, as we can always also support a lower one. */ - while (1) { - err = dma_set_mask_and_coherent(dev->dev->dma_dev, mask); - if (!err) - break; - if (mask == DMA_BIT_MASK(64)) { - mask = DMA_BIT_MASK(32); - fallback = true; - continue; - } - if (mask == DMA_BIT_MASK(32)) { - mask = DMA_BIT_MASK(30); - fallback = true; - continue; - } - b43err(dev->wl, "The machine/kernel does not support " - "the required %u-bit DMA mask\n", - (unsigned int)dma_mask_to_engine_type(orig_mask)); - return -EOPNOTSUPP; - } - if (fallback) { - b43info(dev->wl, "DMA mask fallback from %u-bit to %u-bit\n", - (unsigned int)dma_mask_to_engine_type(orig_mask), - (unsigned int)dma_mask_to_engine_type(mask)); - } - - return 0; -} - /* Some hardware with 64-bit DMA seems to be bugged and looks for translation * bit in low address word instead of high one. */ @@ -1101,15 +1052,15 @@ static bool b43_dma_translation_in_low_word(struct b43_wldev *dev, int b43_dma_init(struct b43_wldev *dev) { struct b43_dma *dma = &dev->dma; + enum b43_dmatype type = b43_engine_type(dev); int err; - u64 dmamask; - enum b43_dmatype type; - dmamask = supported_dma_mask(dev); - type = dma_mask_to_engine_type(dmamask); - err = b43_dma_set_mask(dev, dmamask); - if (err) + err = dma_set_mask_and_coherent(dev->dev->dma_dev, DMA_BIT_MASK(type)); + if (err) { + b43err(dev->wl, "The machine/kernel does not support " + "the required %u-bit DMA mask\n", type); return err; + } switch (dev->dev->bus_type) { #ifdef CONFIG_B43_BCMA @@ -1813,7 +1764,7 @@ void b43_dma_direct_fifo_rx(struct b43_wldev *dev, enum b43_dmatype type; u16 mmio_base; - type = dma_mask_to_engine_type(supported_dma_mask(dev)); + type = b43_engine_type(dev); mmio_base = b43_dmacontroller_base(type, engine_index); direct_fifo_rx(dev, type, mmio_base, enable); diff --git a/drivers/net/wireless/broadcom/b43/main.c b/drivers/net/wireless/broadcom/b43/main.c index 20815a71680b..b85603e91c7a 100644 --- a/drivers/net/wireless/broadcom/b43/main.c +++ b/drivers/net/wireless/broadcom/b43/main.c @@ -2590,18 +2590,13 @@ start_ieee80211: err = ieee80211_register_hw(wl->hw); if (err) - goto err_one_core_detach; + goto out; wl->hw_registered = true; b43_leds_register(wl->current_dev); /* Register HW RNG driver */ b43_rng_init(wl); - goto out; - -err_one_core_detach: - b43_one_core_detach(dev->dev); - out: kfree(ctx); } diff --git a/drivers/net/wireless/broadcom/b43/phy_ac.c b/drivers/net/wireless/broadcom/b43/phy_ac.c index 52f8abad8831..756cd44a8104 100644 --- a/drivers/net/wireless/broadcom/b43/phy_ac.c +++ b/drivers/net/wireless/broadcom/b43/phy_ac.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Broadcom B43 wireless driver * IEEE 802.11ac AC-PHY support * * Copyright (c) 2015 Rafał Miłecki <zajec5@gmail.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include "b43.h" diff --git a/drivers/net/wireless/broadcom/b43/ppr.c b/drivers/net/wireless/broadcom/b43/ppr.c index 9a770279c415..26514cc3a33c 100644 --- a/drivers/net/wireless/broadcom/b43/ppr.c +++ b/drivers/net/wireless/broadcom/b43/ppr.c @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Broadcom B43 wireless driver * PPR (Power Per Rate) management * * Copyright (c) 2014 Rafał Miłecki <zajec5@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include "ppr.h" diff --git a/drivers/net/wireless/broadcom/b43/sdio.c b/drivers/net/wireless/broadcom/b43/sdio.c index 59a521800694..881a7938c494 100644 --- a/drivers/net/wireless/broadcom/b43/sdio.c +++ b/drivers/net/wireless/broadcom/b43/sdio.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Broadcom B43 wireless driver * @@ -5,11 +6,6 @@ * * Copyright (C) 2009 Albert Herranz * Copyright (C) 2009 Michael Buesch <m@bues.ch> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. */ #include <linux/kernel.h> |