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authorArend Van Spriel <arend.vanspriel@broadcom.com>2018-02-20 00:14:19 +0100
committerKalle Valo <kvalo@codeaurora.org>2018-02-27 18:21:24 +0200
commit4b5adc736828dc25ca33e263ad8c0b9dcd3bf325 (patch)
tree8f3a1fe15196d95a10d24509522167930f3c7036 /drivers/net/wireless/broadcom
parentda472385a29f1fddcac7cfa0499482704310bd16 (diff)
brcmfmac: move allocation of control rx buffer to brcmf_sdio_bus_preinit()
Allocate the control rx buffer needed for firmware control interface during brcmf_sdio_bus_preinit(). This relies on common layer setting struct brcmf_bus::maxctl during brcmf_attach(). By moving the allocation we can move brcmf_attach() in subsequent change. Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com> Reviewed-by: Franky Lin <franky.lin@broadcom.com> Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/broadcom')
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c26
1 files changed, 12 insertions, 14 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
index 08686147b59d..9ea525e27388 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -1707,7 +1707,6 @@ brcmf_sdio_read_control(struct brcmf_sdio *bus, u8 *hdr, uint len, uint doff)
int sdret;
brcmf_dbg(TRACE, "Enter\n");
-
if (bus->rxblen)
buf = vzalloc(bus->rxblen);
if (!buf)
@@ -3411,6 +3410,18 @@ static int brcmf_sdio_bus_preinit(struct device *dev)
u32 value;
int err;
+ /* maxctl provided by common layer */
+ if (WARN_ON(!bus_if->maxctl))
+ return -EINVAL;
+
+ /* Allocate control receive buffer */
+ bus_if->maxctl += bus->roundup;
+ value = roundup((bus_if->maxctl + SDPCM_HDRLEN), ALIGNMENT);
+ value += bus->head_align;
+ bus->rxbuf = kmalloc(value, GFP_ATOMIC);
+ if (bus->rxbuf)
+ bus->rxblen = value;
+
/* the commands below use the terms tx and rx from
* a device perspective, ie. bus:txglom affects the
* bus transfers from device to host.
@@ -4208,19 +4219,6 @@ struct brcmf_sdio *brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev)
bus->blocksize = bus->sdiodev->func2->cur_blksize;
bus->roundup = min(max_roundup, bus->blocksize);
- /* Allocate buffers */
- if (bus->sdiodev->bus_if->maxctl) {
- bus->sdiodev->bus_if->maxctl += bus->roundup;
- bus->rxblen =
- roundup((bus->sdiodev->bus_if->maxctl + SDPCM_HDRLEN),
- ALIGNMENT) + bus->head_align;
- bus->rxbuf = kmalloc(bus->rxblen, GFP_ATOMIC);
- if (!(bus->rxbuf)) {
- brcmf_err("rxbuf allocation failed\n");
- goto fail;
- }
- }
-
sdio_claim_host(bus->sdiodev->func1);
/* Disable F2 to clear any intermediate frame state on the dongle */