39fba211fec3818db3a569b81e417a908963430d
[oweals/openwrt.git] /
1 From 2d6edad4b2da1991f74e7b02053eeb4a043b887f Mon Sep 17 00:00:00 2001
2 From: Arend Van Spriel <arend.vanspriel@broadcom.com>
3 Date: Tue, 20 Feb 2018 00:14:25 +0100
4 Subject: [PATCH] brcmfmac: remove duplicate pointer variable from
5  brcmf_sdio_firmware_callback()
6
7 In brcmf_sdio_firmware_callback() two pointer variables were used
8 pointing to the same construct. Get rid of sdiodev variable.
9
10 Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
11 Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
12 ---
13  .../wireless/broadcom/brcm80211/brcmfmac/sdio.c    | 37 +++++++++++-----------
14  1 file changed, 18 insertions(+), 19 deletions(-)
15
16 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
17 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
18 @@ -4039,9 +4039,8 @@ static void brcmf_sdio_firmware_callback
19                                          void *nvram, u32 nvram_len)
20  {
21         struct brcmf_bus *bus_if = dev_get_drvdata(dev);
22 -       struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
23 -       struct brcmf_sdio *bus = sdiodev->bus;
24 -       struct brcmf_sdio_dev *sdiod = bus->sdiodev;
25 +       struct brcmf_sdio_dev *sdiod = bus_if->bus_priv.sdio;
26 +       struct brcmf_sdio *bus = sdiod->bus;
27         struct brcmf_core *core = bus->sdio_core;
28         u8 saveclk;
29  
30 @@ -4061,7 +4060,7 @@ static void brcmf_sdio_firmware_callback
31         bus->sdcnt.tickcnt = 0;
32         brcmf_sdio_wd_timer(bus, true);
33  
34 -       sdio_claim_host(sdiodev->func1);
35 +       sdio_claim_host(sdiod->func1);
36  
37         /* Make sure backplane clock is on, needed to generate F2 interrupt */
38         brcmf_sdio_clkctl(bus, CLK_AVAIL, false);
39 @@ -4069,9 +4068,9 @@ static void brcmf_sdio_firmware_callback
40                 goto release;
41  
42         /* Force clocks on backplane to be sure F2 interrupt propagates */
43 -       saveclk = brcmf_sdiod_readb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, &err);
44 +       saveclk = brcmf_sdiod_readb(sdiod, SBSDIO_FUNC1_CHIPCLKCSR, &err);
45         if (!err) {
46 -               brcmf_sdiod_writeb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
47 +               brcmf_sdiod_writeb(sdiod, SBSDIO_FUNC1_CHIPCLKCSR,
48                                    (saveclk | SBSDIO_FORCE_HT), &err);
49         }
50         if (err) {
51 @@ -4083,7 +4082,7 @@ static void brcmf_sdio_firmware_callback
52         brcmf_sdiod_writel(sdiod, core->base + SD_REG(tosbmailboxdata),
53                            SDPCM_PROT_VERSION << SMB_DATA_VERSION_SHIFT, NULL);
54  
55 -       err = sdio_enable_func(sdiodev->func2);
56 +       err = sdio_enable_func(sdiod->func2);
57  
58         brcmf_dbg(INFO, "enable F2: err=%d\n", err);
59  
60 @@ -4095,10 +4094,10 @@ static void brcmf_sdio_firmware_callback
61                                    bus->hostintmask, NULL);
62  
63  
64 -               brcmf_sdiod_writeb(sdiodev, SBSDIO_WATERMARK, 8, &err);
65 +               brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK, 8, &err);
66         } else {
67                 /* Disable F2 again */
68 -               sdio_disable_func(sdiodev->func2);
69 +               sdio_disable_func(sdiod->func2);
70                 goto release;
71         }
72  
73 @@ -4106,7 +4105,7 @@ static void brcmf_sdio_firmware_callback
74                 brcmf_sdio_sr_init(bus);
75         } else {
76                 /* Restore previous clock setting */
77 -               brcmf_sdiod_writeb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
78 +               brcmf_sdiod_writeb(sdiod, SBSDIO_FUNC1_CHIPCLKCSR,
79                                    saveclk, &err);
80         }
81  
82 @@ -4114,7 +4113,7 @@ static void brcmf_sdio_firmware_callback
83                 /* Allow full data communication using DPC from now on. */
84                 brcmf_sdiod_change_state(bus->sdiodev, BRCMF_SDIOD_DATA);
85  
86 -               err = brcmf_sdiod_intr_register(sdiodev);
87 +               err = brcmf_sdiod_intr_register(sdiod);
88                 if (err != 0)
89                         brcmf_err("intr register failed:%d\n", err);
90         }
91 @@ -4123,16 +4122,16 @@ static void brcmf_sdio_firmware_callback
92         if (err != 0)
93                 brcmf_sdio_clkctl(bus, CLK_NONE, false);
94  
95 -       sdio_release_host(sdiodev->func1);
96 +       sdio_release_host(sdiod->func1);
97  
98         /* Assign bus interface call back */
99 -       sdiodev->bus_if->dev = sdiodev->dev;
100 -       sdiodev->bus_if->ops = &brcmf_sdio_bus_ops;
101 -       sdiodev->bus_if->chip = bus->ci->chip;
102 -       sdiodev->bus_if->chiprev = bus->ci->chiprev;
103 +       sdiod->bus_if->dev = sdiod->dev;
104 +       sdiod->bus_if->ops = &brcmf_sdio_bus_ops;
105 +       sdiod->bus_if->chip = bus->ci->chip;
106 +       sdiod->bus_if->chiprev = bus->ci->chiprev;
107  
108         /* Attach to the common layer, reserve hdr space */
109 -       err = brcmf_attach(sdiodev->dev, sdiodev->settings);
110 +       err = brcmf_attach(sdiod->dev, sdiod->settings);
111         if (err != 0) {
112                 brcmf_err("brcmf_attach failed\n");
113                 goto fail;
114 @@ -4142,10 +4141,10 @@ static void brcmf_sdio_firmware_callback
115         return;
116  
117  release:
118 -       sdio_release_host(sdiodev->func1);
119 +       sdio_release_host(sdiod->func1);
120  fail:
121         brcmf_dbg(TRACE, "failed: dev=%s, err=%d\n", dev_name(dev), err);
122 -       device_release_driver(&sdiodev->func2->dev);
123 +       device_release_driver(&sdiod->func2->dev);
124         device_release_driver(dev);
125  }
126