[PATCH 092/119] staging: brmc80211: cleaned up sdio related error codes
Franky Lin
frankyl at broadcom.com
Wed Jun 29 23:47:56 UTC 2011
From: Roland Vossen <rvossen at broadcom.com>
Code cleanup. Replaced Broadcom proprietary error codes with Linux native
ones.
Signed-off-by: Roland Vossen <rvossen at broadcom.com>
Reviewed-by: Arend van Spriel <arend at broadcom.com>
Reviewed-by: Franky Lin <frankyl at broadcom.com>
---
drivers/staging/brcm80211/brcmfmac/bcmsdbus.h | 4 --
drivers/staging/brcm80211/brcmfmac/bcmsdh.c | 52 +++++++------------
drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c | 43 ++++++++--------
.../brcm80211/brcmfmac/bcmsdh_sdmmc_linux.c | 5 +-
4 files changed, 44 insertions(+), 60 deletions(-)
diff --git a/drivers/staging/brcm80211/brcmfmac/bcmsdbus.h b/drivers/staging/brcm80211/brcmfmac/bcmsdbus.h
index f1d04e0..9359bba 100644
--- a/drivers/staging/brcm80211/brcmfmac/bcmsdbus.h
+++ b/drivers/staging/brcm80211/brcmfmac/bcmsdbus.h
@@ -19,10 +19,6 @@
#include "sdio_host.h"
-#define SDIOH_API_RC_SUCCESS (0x00)
-#define SDIOH_API_RC_FAIL (0x01)
-#define SDIOH_API_SUCCESS(status) (status == 0)
-
#define SDIOH_READ 0 /* Read request */
#define SDIOH_WRITE 1 /* Write request */
diff --git a/drivers/staging/brcm80211/brcmfmac/bcmsdh.c b/drivers/staging/brcm80211/brcmfmac/bcmsdh.c
index c8e84d3..d785b05 100644
--- a/drivers/staging/brcm80211/brcmfmac/bcmsdh.c
+++ b/drivers/staging/brcm80211/brcmfmac/bcmsdh.c
@@ -105,7 +105,7 @@ bool brcmf_sdcard_intr_query(void *sdh)
ASSERT(bcmsdh);
status = brcmf_sdioh_interrupt_query(bcmsdh->sdioh, &on);
- if (SDIOH_API_SUCCESS(status))
+ if (status == 0)
return false;
else
return on;
@@ -114,41 +114,33 @@ bool brcmf_sdcard_intr_query(void *sdh)
int brcmf_sdcard_intr_enable(void *sdh)
{
struct brcmf_sdio *bcmsdh = (struct brcmf_sdio *) sdh;
- int status;
ASSERT(bcmsdh);
- status = brcmf_sdioh_interrupt_set(bcmsdh->sdioh, true);
- return SDIOH_API_SUCCESS(status) ? 0 : -EIO;
+ return brcmf_sdioh_interrupt_set(bcmsdh->sdioh, true);
}
int brcmf_sdcard_intr_disable(void *sdh)
{
struct brcmf_sdio *bcmsdh = (struct brcmf_sdio *) sdh;
- int status;
ASSERT(bcmsdh);
- status = brcmf_sdioh_interrupt_set(bcmsdh->sdioh, false);
- return SDIOH_API_SUCCESS(status) ? 0 : -EIO;
+ return brcmf_sdioh_interrupt_set(bcmsdh->sdioh, false);
}
int brcmf_sdcard_intr_reg(void *sdh, bcmsdh_cb_fn_t fn, void *argh)
{
struct brcmf_sdio *bcmsdh = (struct brcmf_sdio *) sdh;
- int status;
ASSERT(bcmsdh);
- status = brcmf_sdioh_interrupt_register(bcmsdh->sdioh, fn, argh);
- return SDIOH_API_SUCCESS(status) ? 0 : -EIO;
+ return brcmf_sdioh_interrupt_register(bcmsdh->sdioh, fn, argh);
}
int brcmf_sdcard_intr_dereg(void *sdh)
{
struct brcmf_sdio *bcmsdh = (struct brcmf_sdio *) sdh;
- int status;
ASSERT(bcmsdh);
- status = brcmf_sdioh_interrupt_deregister(bcmsdh->sdioh);
- return SDIOH_API_SUCCESS(status) ? 0 : -EIO;
+ return brcmf_sdioh_interrupt_deregister(bcmsdh->sdioh);
}
#if defined(BCMDBG)
@@ -192,11 +184,11 @@ u8 brcmf_sdcard_cfg_read(void *sdh, uint fnc_num, u32 addr, int *err)
brcmf_sdioh_cfg_read(bcmsdh->sdioh, fnc_num, addr,
(u8 *) &data);
#ifdef SDIOH_API_ACCESS_RETRY_LIMIT
- } while (!SDIOH_API_SUCCESS(status)
+ } while (status != 0
&& (retry++ < SDIOH_API_ACCESS_RETRY_LIMIT));
#endif
if (err)
- *err = (SDIOH_API_SUCCESS(status) ? 0 : -EIO);
+ *err = status;
BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, u8data = 0x%x\n",
__func__, fnc_num, addr, data));
@@ -227,11 +219,11 @@ brcmf_sdcard_cfg_write(void *sdh, uint fnc_num, u32 addr, u8 data, int *err)
brcmf_sdioh_cfg_write(bcmsdh->sdioh, fnc_num, addr,
(u8 *) &data);
#ifdef SDIOH_API_ACCESS_RETRY_LIMIT
- } while (!SDIOH_API_SUCCESS(status)
+ } while (status != 0
&& (retry++ < SDIOH_API_ACCESS_RETRY_LIMIT));
#endif
if (err)
- *err = SDIOH_API_SUCCESS(status) ? 0 : -EIO;
+ *err = status;
BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, u8data = 0x%x\n",
__func__, fnc_num, addr, data));
@@ -252,7 +244,7 @@ u32 brcmf_sdcard_cfg_read_word(void *sdh, uint fnc_num, u32 addr, int *err)
SDIOH_READ, fnc_num, addr, &data, 4);
if (err)
- *err = (SDIOH_API_SUCCESS(status) ? 0 : -EIO);
+ *err = status;
BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, u32data = 0x%x\n",
__func__, fnc_num, addr, data));
@@ -277,7 +269,7 @@ brcmf_sdcard_cfg_write_word(void *sdh, uint fnc_num, u32 addr, u32 data,
SDIOH_WRITE, fnc_num, addr, &data, 4);
if (err)
- *err = (SDIOH_API_SUCCESS(status) ? 0 : -EIO);
+ *err = status;
BCMSDH_INFO(("%s:fun = %d, addr = 0x%x, u32data = 0x%x\n",
__func__, fnc_num, addr, data));
@@ -320,7 +312,7 @@ int brcmf_sdcard_cis_read(void *sdh, uint func, u8 * cis, uint length)
kfree(tmp_buf);
}
- return SDIOH_API_SUCCESS(status) ? 0 : -EIO;
+ return status;
}
static int brcmf_sdcard_set_sbaddr_window(void *sdh, u32 address)
@@ -371,12 +363,12 @@ u32 brcmf_sdcard_reg_read(void *sdh, u32 addr, uint size)
status = brcmf_sdioh_request_word(bcmsdh->sdioh, SDIOH_CMD_TYPE_NORMAL,
SDIOH_READ, SDIO_FUNC_1, addr, &word, size);
- bcmsdh->regfail = !(SDIOH_API_SUCCESS(status));
+ bcmsdh->regfail = (status != 0);
BCMSDH_INFO(("u32data = 0x%x\n", word));
/* if ok, return appropriately masked word */
- if (SDIOH_API_SUCCESS(status)) {
+ if (status == 0) {
switch (size) {
case sizeof(u8):
return word & 0xff;
@@ -425,9 +417,9 @@ u32 brcmf_sdcard_reg_write(void *sdh, u32 addr, uint size, u32 data)
status =
brcmf_sdioh_request_word(bcmsdh->sdioh, SDIOH_CMD_TYPE_NORMAL,
SDIOH_WRITE, SDIO_FUNC_1, addr, &data, size);
- bcmsdh->regfail = !(SDIOH_API_SUCCESS(status));
+ bcmsdh->regfail = (status != 0);
- if (SDIOH_API_SUCCESS(status))
+ if (status == 0)
return 0;
BCMSDH_ERROR(("%s: error writing 0x%08x to addr 0x%04x size %d\n",
@@ -480,7 +472,7 @@ brcmf_sdcard_recv_buf(struct brcmf_sdio *bcmsdh, u32 addr, uint fn, uint flags,
status = brcmf_sdioh_request_buffer(bcmsdh->sdioh, SDIOH_DATA_PIO,
incr_fix, SDIOH_READ, fn, addr, width, nbytes, buf, pkt);
- return SDIOH_API_SUCCESS(status) ? 0 : -EIO;
+ return status;
}
int
@@ -489,7 +481,6 @@ brcmf_sdcard_send_buf(void *sdh, u32 addr, uint fn, uint flags,
bcmsdh_cmplt_fn_t complete, void *handle)
{
struct brcmf_sdio *bcmsdh = (struct brcmf_sdio *) sdh;
- int status;
uint incr_fix;
uint width;
uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK;
@@ -521,16 +512,13 @@ brcmf_sdcard_send_buf(void *sdh, u32 addr, uint fn, uint flags,
if (width == 4)
addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
- status = brcmf_sdioh_request_buffer(bcmsdh->sdioh, SDIOH_DATA_PIO,
+ return brcmf_sdioh_request_buffer(bcmsdh->sdioh, SDIOH_DATA_PIO,
incr_fix, SDIOH_WRITE, fn, addr, width, nbytes, buf, pkt);
-
- return SDIOH_API_SUCCESS(status) ? 0 : -EIO;
}
int brcmf_sdcard_rwdata(void *sdh, uint rw, u32 addr, u8 *buf, uint nbytes)
{
struct brcmf_sdio *bcmsdh = (struct brcmf_sdio *) sdh;
- int status;
ASSERT(bcmsdh);
ASSERT(bcmsdh->init_success);
@@ -539,11 +527,9 @@ int brcmf_sdcard_rwdata(void *sdh, uint rw, u32 addr, u8 *buf, uint nbytes)
addr &= SBSDIO_SB_OFT_ADDR_MASK;
addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
- status = brcmf_sdioh_request_buffer(bcmsdh->sdioh, SDIOH_DATA_PIO,
+ return brcmf_sdioh_request_buffer(bcmsdh->sdioh, SDIOH_DATA_PIO,
SDIOH_DATA_INC, (rw ? SDIOH_WRITE : SDIOH_READ), SDIO_FUNC_1,
addr, 4, nbytes, buf, NULL);
-
- return SDIOH_API_SUCCESS(status) ? 0 : -EIO;
}
int brcmf_sdcard_abort(void *sdh, uint fn)
diff --git a/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c b/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c
index 167181d..0413a59 100644
--- a/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c
+++ b/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c
@@ -20,6 +20,7 @@
#include <linux/mmc/sdio_func.h>
#include <linux/mmc/sdio_ids.h>
#include <linux/suspend.h>
+#include <linux/errno.h>
#include <defs.h>
#include <brcm_hw_ids.h>
@@ -177,7 +178,7 @@ extern int brcmf_sdioh_detach(struct sdioh_info *sd)
kfree(sd);
}
- return SDIOH_API_RC_SUCCESS;
+ return 0;
}
/* Configure callback to client when we receive client interrupt */
@@ -189,7 +190,7 @@ brcmf_sdioh_interrupt_register(struct sdioh_info *sd, sdioh_cb_fn_t fn,
if (fn == NULL) {
sd_err(("%s: interrupt handler is NULL, not registering\n",
__func__));
- return SDIOH_API_RC_FAIL;
+ return -EINVAL;
}
sd->intr_handler = fn;
@@ -209,7 +210,7 @@ brcmf_sdioh_interrupt_register(struct sdioh_info *sd, sdioh_cb_fn_t fn,
sdio_release_host(gInstance->func[1]);
}
- return SDIOH_API_RC_SUCCESS;
+ return 0;
}
extern int brcmf_sdioh_interrupt_deregister(struct sdioh_info *sd)
@@ -235,7 +236,7 @@ extern int brcmf_sdioh_interrupt_deregister(struct sdioh_info *sd)
sd->intr_handler = NULL;
sd->intr_handler_arg = NULL;
- return SDIOH_API_RC_SUCCESS;
+ return 0;
}
extern int
@@ -243,7 +244,7 @@ brcmf_sdioh_interrupt_query(struct sdioh_info *sd, bool *onoff)
{
sd_trace(("%s: Entering\n", __func__));
*onoff = sd->client_intr_enabled;
- return SDIOH_API_RC_SUCCESS;
+ return 0;
}
#if defined(BCMDBG)
@@ -504,7 +505,7 @@ brcmf_sdioh_cis_read(struct sdioh_info *sd, uint func, u8 *cisd, u32 length)
if (!sd->func_cis_ptr[func]) {
memset(cis, 0, length);
sd_err(("%s: no func_cis_ptr[%d]\n", __func__, func));
- return SDIOH_API_RC_FAIL;
+ return -ENOTSUPP;
}
sd_err(("%s: func_cis_ptr[%d]=0x%04x\n", __func__, func,
@@ -515,14 +516,14 @@ brcmf_sdioh_cis_read(struct sdioh_info *sd, uint func, u8 *cisd, u32 length)
if (brcmf_sdioh_card_regread(sd, 0, offset, 1, &foo) < 0) {
sd_err(("%s: regread failed: Can't read CIS\n",
__func__));
- return SDIOH_API_RC_FAIL;
+ return -EIO;
}
*cis = (u8) (foo & 0xff);
cis++;
}
- return SDIOH_API_RC_SUCCESS;
+ return 0;
}
extern int
@@ -535,7 +536,7 @@ brcmf_sdioh_request_byte(struct sdioh_info *sd, uint rw, uint func,
regaddr));
BRCMF_PM_RESUME_WAIT(sdioh_request_byte_wait);
- BRCMF_PM_RESUME_RETURN_ERROR(SDIOH_API_RC_FAIL);
+ BRCMF_PM_RESUME_RETURN_ERROR(-EIO);
if (rw) { /* CMD52 Write */
if (func == 0) {
/* Can only directly write to some F0 registers.
@@ -619,25 +620,25 @@ brcmf_sdioh_request_byte(struct sdioh_info *sd, uint rw, uint func,
"Err: %d\n", rw ? "Write" : "Read", func, regaddr,
*byte, err_ret));
- return ((err_ret == 0) ? SDIOH_API_RC_SUCCESS : SDIOH_API_RC_FAIL);
+ return err_ret;
}
extern int
brcmf_sdioh_request_word(struct sdioh_info *sd, uint cmd_type, uint rw,
uint func, uint addr, u32 *word, uint nbytes)
{
- int err_ret = SDIOH_API_RC_FAIL;
+ int err_ret = -EIO;
if (func == 0) {
sd_err(("%s: Only CMD52 allowed to F0.\n", __func__));
- return SDIOH_API_RC_FAIL;
+ return -EINVAL;
}
sd_info(("%s: cmd_type=%d, rw=%d, func=%d, addr=0x%05x, nbytes=%d\n",
__func__, cmd_type, rw, func, addr, nbytes));
BRCMF_PM_RESUME_WAIT(sdioh_request_word_wait);
- BRCMF_PM_RESUME_RETURN_ERROR(SDIOH_API_RC_FAIL);
+ BRCMF_PM_RESUME_RETURN_ERROR(-EIO);
/* Claim host controller */
sdio_claim_host(gInstance->func[func]);
@@ -672,7 +673,7 @@ brcmf_sdioh_request_word(struct sdioh_info *sd, uint cmd_type, uint rw,
rw ? "Write" : "Read", err_ret));
}
- return ((err_ret == 0) ? SDIOH_API_RC_SUCCESS : SDIOH_API_RC_FAIL);
+ return err_ret;
}
static int
@@ -689,7 +690,7 @@ brcmf_sdioh_request_packet(struct sdioh_info *sd, uint fix_inc, uint write,
ASSERT(pkt);
BRCMF_PM_RESUME_WAIT(sdioh_request_packet_wait);
- BRCMF_PM_RESUME_RETURN_ERROR(SDIOH_API_RC_FAIL);
+ BRCMF_PM_RESUME_RETURN_ERROR(-EIO);
/* Claim host controller */
sdio_claim_host(gInstance->func[func]);
@@ -746,7 +747,7 @@ brcmf_sdioh_request_packet(struct sdioh_info *sd, uint fix_inc, uint write,
sdio_release_host(gInstance->func[func]);
sd_trace(("%s: Exit\n", __func__));
- return ((err_ret == 0) ? SDIOH_API_RC_SUCCESS : SDIOH_API_RC_FAIL);
+ return err_ret;
}
/*
@@ -775,7 +776,7 @@ brcmf_sdioh_request_buffer(struct sdioh_info *sd, uint pio_dma, uint fix_inc,
sd_trace(("%s: Enter\n", __func__));
BRCMF_PM_RESUME_WAIT(sdioh_request_buffer_wait);
- BRCMF_PM_RESUME_RETURN_ERROR(SDIOH_API_RC_FAIL);
+ BRCMF_PM_RESUME_RETURN_ERROR(-EIO);
/* Case 1: we don't have a packet. */
if (pkt == NULL) {
sd_data(("%s: Creating new %s Packet, len=%d\n",
@@ -784,7 +785,7 @@ brcmf_sdioh_request_buffer(struct sdioh_info *sd, uint pio_dma, uint fix_inc,
if (!mypkt) {
sd_err(("%s: brcmu_pkt_buf_get_skb failed: len %d\n",
__func__, buflen_u));
- return SDIOH_API_RC_FAIL;
+ return -EIO;
}
/* For a write, copy the buffer data into the packet. */
@@ -811,7 +812,7 @@ brcmf_sdioh_request_buffer(struct sdioh_info *sd, uint pio_dma, uint fix_inc,
if (!mypkt) {
sd_err(("%s: brcmu_pkt_buf_get_skb failed: len %d\n",
__func__, pkt->len));
- return SDIOH_API_RC_FAIL;
+ return -EIO;
}
/* For a write, copy the buffer data into the packet. */
@@ -848,7 +849,7 @@ extern int brcmf_sdioh_abort(struct sdioh_info *sd, uint func)
&t_func);
sd_trace(("%s: Exit\n", __func__));
- return SDIOH_API_RC_SUCCESS;
+ return 0;
}
/* Reset and re-initialize the device */
@@ -856,7 +857,7 @@ int brcmf_sdioh_reset(struct sdioh_info *si)
{
sd_trace(("%s: Enter\n", __func__));
sd_trace(("%s: Exit\n", __func__));
- return SDIOH_API_RC_SUCCESS;
+ return 0;
}
/* Disable device interrupt */
diff --git a/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc_linux.c b/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc_linux.c
index 39b0cbe..f10cddd 100644
--- a/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc_linux.c
+++ b/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc_linux.c
@@ -20,6 +20,7 @@
#include <linux/mmc/card.h>
#include <linux/mmc/sdio_func.h>
#include <linux/mmc/sdio_ids.h>
+#include <linux/errno.h>
#include <net/cfg80211.h>
#include <defs.h>
@@ -227,7 +228,7 @@ int brcmf_sdioh_interrupt_set(struct sdioh_info *sd, bool enable)
if (enable && !(sd->intr_handler && sd->intr_handler_arg)) {
sd_err(("%s: no handler registered, will not enable\n",
__func__));
- return SDIOH_API_RC_FAIL;
+ return -EINVAL;
}
/* Ensure atomicity for enable/disable calls */
@@ -241,7 +242,7 @@ int brcmf_sdioh_interrupt_set(struct sdioh_info *sd, bool enable)
spin_unlock_irqrestore(&sdos->lock, flags);
- return SDIOH_API_RC_SUCCESS;
+ return 0;
}
/*
--
1.7.1
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