2014-10-09 17:02:21

by Tsung-Han Lin

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Subject: [PATCH] staging: rtl8192u: correct coding style errors

Correct some coding style errors in
drivers/staging/rtl8192u/r819xU_firmware.c.

Signed-off-by: Tsung-Han Lin <[email protected]>
---
drivers/staging/rtl8192u/r819xU_firmware.c | 65 +++++++++++++++---------------
1 file changed, 33 insertions(+), 32 deletions(-)

diff --git a/drivers/staging/rtl8192u/r819xU_firmware.c b/drivers/staging/rtl8192u/r819xU_firmware.c
index f66ad8a0dfe0..4c766ab3547e 100644
--- a/drivers/staging/rtl8192u/r819xU_firmware.c
+++ b/drivers/staging/rtl8192u/r819xU_firmware.c
@@ -37,7 +37,7 @@ static bool fw_download_code(struct net_device *dev, u8 *code_virtual_address,
bool rt_status = true;
u16 frag_threshold;
u16 frag_length, frag_offset = 0;
- //u16 total_size;
+ /* u16 total_size; */
int i;

rt_firmware *pfirmware = priv->pFirmware;
@@ -47,7 +47,7 @@ static bool fw_download_code(struct net_device *dev, u8 *code_virtual_address,
u8 bLastIniPkt;

firmware_init_param(dev);
- //Fragmentation might be required
+ /* Fragmentation might be required */
frag_threshold = pfirmware->cmdpacket_frag_thresold;
do {
if ((buffer_len - frag_offset) > frag_threshold) {
@@ -66,7 +66,7 @@ static bool fw_download_code(struct net_device *dev, u8 *code_virtual_address,
skb = dev_alloc_skb(USB_HWDESC_HEADER_LEN + frag_length + 4);
if (!skb)
return false;
- memcpy((unsigned char *)(skb->cb),&dev,sizeof(dev));
+ memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
tcb_desc->queue_index = TXCMD_QUEUE;
tcb_desc->bCmdOrInit = DESC_PACKET_TYPE_INIT;
@@ -78,19 +78,19 @@ static bool fw_download_code(struct net_device *dev, u8 *code_virtual_address,
* Transform from little endian to big endian
* and pending zero
*/
- for (i=0; i < frag_length; i+=4) {
- *seg_ptr++ = ((i+0)<frag_length)?code_virtual_address[i+3]:0;
- *seg_ptr++ = ((i+1)<frag_length)?code_virtual_address[i+2]:0;
- *seg_ptr++ = ((i+2)<frag_length)?code_virtual_address[i+1]:0;
- *seg_ptr++ = ((i+3)<frag_length)?code_virtual_address[i+0]:0;
+ for (i = 0; i < frag_length; i += 4) {
+ *seg_ptr++ = ((i+0) < frag_length)?code_virtual_address[i+3]:0;
+ *seg_ptr++ = ((i+1) < frag_length)?code_virtual_address[i+2]:0;
+ *seg_ptr++ = ((i+2) < frag_length)?code_virtual_address[i+1]:0;
+ *seg_ptr++ = ((i+3) < frag_length)?code_virtual_address[i+0]:0;
}
- tcb_desc->txbuf_size= (u16)i;
+ tcb_desc->txbuf_size = (u16)i;
skb_put(skb, i);

- if (!priv->ieee80211->check_nic_enough_desc(dev,tcb_desc->queue_index)||
- (!skb_queue_empty(&priv->ieee80211->skb_waitQ[tcb_desc->queue_index]))||\
+ if (!priv->ieee80211->check_nic_enough_desc(dev, tcb_desc->queue_index) ||
+ (!skb_queue_empty(&priv->ieee80211->skb_waitQ[tcb_desc->queue_index])) || \
(priv->ieee80211->queue_stop)) {
- RT_TRACE(COMP_FIRMWARE,"=====================================================> tx full!\n");
+ RT_TRACE(COMP_FIRMWARE, "=====================================================> tx full!\n");
skb_queue_tail(&priv->ieee80211->skb_waitQ[tcb_desc->queue_index], skb);
} else {
priv->ieee80211->softmac_hard_start_xmit(skb, dev);
@@ -105,19 +105,20 @@ static bool fw_download_code(struct net_device *dev, u8 *code_virtual_address,

}

-//-----------------------------------------------------------------------------
-// Procedure: Check whether main code is download OK. If OK, turn on CPU
-//
-// Description: CPU register locates in different page against general register.
-// Switch to CPU register in the begin and switch back before return
-//
-//
-// Arguments: The pointer of the adapter
-//
-// Returns:
-// NDIS_STATUS_FAILURE - the following initialization process should be terminated
-// NDIS_STATUS_SUCCESS - if firmware initialization process success
-//-----------------------------------------------------------------------------
+/*-----------------------------------------------------------------------------
+ * Procedure: Check whether main code is download OK. If OK, turn on CPU
+ *
+ * Description: CPU register locates in different page against general register.
+ * Switch to CPU register in the begin and switch back before return
+ *
+ *
+ * Arguments: The pointer of the adapter
+ *
+ * Returns:
+ * NDIS_STATUS_FAILURE - the following initialization process should be terminated
+ * NDIS_STATUS_SUCCESS - if firmware initialization process success
+ *-----------------------------------------------------------------------------
+ */
static bool CPUcheck_maincodeok_turnonCPU(struct net_device *dev)
{
bool rt_status = true;
@@ -220,7 +221,7 @@ bool init_firmware(struct net_device *dev)
/* it is called by reset */
rst_opt = OPT_SYSTEM_RESET;
starting_state = FW_INIT_STEP0_BOOT;
- // TODO: system reset
+ /* TODO: system reset */

} else if (pfirmware->firmware_status == FW_STATUS_5_READY) {
/* it is called by Initialize */
@@ -240,7 +241,7 @@ bool init_firmware(struct net_device *dev)
* or read image file from array. Default load from IMG file
*/
if (rst_opt == OPT_SYSTEM_RESET) {
- rc = request_firmware(&fw_entry, fw_name[init_step],&priv->udev->dev);
+ rc = request_firmware(&fw_entry, fw_name[init_step], &priv->udev->dev);
if (rc < 0) {
RT_TRACE(COMP_ERR, "request firmware fail!\n");
goto download_firmware_fail;
@@ -252,12 +253,12 @@ bool init_firmware(struct net_device *dev)
}

if (init_step != FW_INIT_STEP1_MAIN) {
- memcpy(pfirmware->firmware_buf,fw_entry->data,fw_entry->size);
+ memcpy(pfirmware->firmware_buf, fw_entry->data, fw_entry->size);
mapped_file = pfirmware->firmware_buf;
file_length = fw_entry->size;
} else {
memset(pfirmware->firmware_buf, 0, 128);
- memcpy(&pfirmware->firmware_buf[128],fw_entry->data,fw_entry->size);
+ memcpy(&pfirmware->firmware_buf[128], fw_entry->data, fw_entry->size);
mapped_file = pfirmware->firmware_buf;
file_length = fw_entry->size + 128;
}
@@ -289,7 +290,7 @@ bool init_firmware(struct net_device *dev)
* will set polling bit when firmware code is also configured
*/
pfirmware->firmware_status = FW_STATUS_1_MOVE_BOOT_CODE;
- //mdelay(1000);
+ /* mdelay(1000); */
/*
* To initialize IMEM, CPU move code from 0x80000080,
* hence, we send 0x80 byte packet
@@ -317,7 +318,7 @@ bool init_firmware(struct net_device *dev)

rt_status = CPUcheck_firmware_ready(dev);
if (rt_status != TRUE) {
- RT_TRACE(COMP_ERR, "CPUcheck_firmware_ready fail(%d)!\n",rt_status);
+ RT_TRACE(COMP_ERR, "CPUcheck_firmware_ready fail(%d)!\n", rt_status);
goto download_firmware_fail;
}

@@ -328,7 +329,7 @@ bool init_firmware(struct net_device *dev)
}

RT_TRACE(COMP_FIRMWARE, "Firmware Download Success\n");
- //assert(pfirmware->firmware_status == FW_STATUS_5_READY, ("Firmware Download Fail\n"));
+ /* assert(pfirmware->firmware_status == FW_STATUS_5_READY, ("Firmware Download Fail\n")); */

return rt_status;

--
1.9.1


2014-10-09 17:16:25

by Joe Perches

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Subject: Re: [PATCH] staging: rtl8192u: correct coding style errors

On Fri, 2014-10-10 at 01:02 +0800, Tsung-Han Lin wrote:
> Correct some coding style errors in
> drivers/staging/rtl8192u/r819xU_firmware.c.

Generic advice is not to merely shut up checkpatch
complaints, but try to make the code better/more readable.

> diff --git a/drivers/staging/rtl8192u/r819xU_firmware.c b/drivers/staging/rtl8192u/r819xU_firmware.c
[]
> @@ -37,7 +37,7 @@ static bool fw_download_code(struct net_device *dev, u8 *code_virtual_address,
> bool rt_status = true;
> u16 frag_threshold;
> u16 frag_length, frag_offset = 0;
> - //u16 total_size;
> + /* u16 total_size; */

probably better to delete this instead.

> @@ -66,7 +66,7 @@ static bool fw_download_code(struct net_device *dev, u8 *code_virtual_address,
> skb = dev_alloc_skb(USB_HWDESC_HEADER_LEN + frag_length + 4);
> if (!skb)
> return false;
> - memcpy((unsigned char *)(skb->cb),&dev,sizeof(dev));
> + memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));

Unnecessary cast

memcpy(sk->cb, &dev, sizeof(dev));

> @@ -78,19 +78,19 @@ static bool fw_download_code(struct net_device *dev, u8 *code_virtual_address,
> * Transform from little endian to big endian
> * and pending zero
> */
> - for (i=0; i < frag_length; i+=4) {
> - *seg_ptr++ = ((i+0)<frag_length)?code_virtual_address[i+3]:0;
> - *seg_ptr++ = ((i+1)<frag_length)?code_virtual_address[i+2]:0;
> - *seg_ptr++ = ((i+2)<frag_length)?code_virtual_address[i+1]:0;
> - *seg_ptr++ = ((i+3)<frag_length)?code_virtual_address[i+0]:0;
> + for (i = 0; i < frag_length; i += 4) {
> + *seg_ptr++ = ((i+0) < frag_length)?code_virtual_address[i+3]:0;
> + *seg_ptr++ = ((i+1) < frag_length)?code_virtual_address[i+2]:0;
> + *seg_ptr++ = ((i+2) < frag_length)?code_virtual_address[i+1]:0;
> + *seg_ptr++ = ((i+3) < frag_length)?code_virtual_address[i+0]:0;

It may be better to create a helper function.
Spaces around ternaries are generally more readable

*seg_ptr++ = frag_length >= i + 0 ? code_virtual_address[i + 3] : 0;
*seg_ptr++ = frag_length >= i + 1 ? code_virtual_address[i + 2] : 0;
*seg_ptr++ = frag_length >= i + 2 ? code_virtual_address[i + 1] : 0;
*seg_ptr++ = frag_length >= i + 3 ? code_virtual_address[i + 0] : 0;


2014-10-09 19:48:36

by Greg Kroah-Hartman

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Subject: Re: [PATCH] staging: rtl8192u: correct coding style errors

On Fri, Oct 10, 2014 at 01:02:02AM +0800, Tsung-Han Lin wrote:
> Correct some coding style errors in
> drivers/staging/rtl8192u/r819xU_firmware.c.
>
> Signed-off-by: Tsung-Han Lin <[email protected]>
> ---
> drivers/staging/rtl8192u/r819xU_firmware.c | 65 +++++++++++++++---------------
> 1 file changed, 33 insertions(+), 32 deletions(-)

This doesn't apply due to changes others have made in this file. Also,
listen to Joe's comments for your next patch.

thanks,

greg k-h

2014-10-10 02:48:19

by Tsung-Han Lin

[permalink] [raw]
Subject: Re: [PATCH] staging: rtl8192u: correct coding style errors

On Thu, Oct 09, 2014 at 12:48:24PM -0700, Greg KH wrote:
> On Fri, Oct 10, 2014 at 01:02:02AM +0800, Tsung-Han Lin wrote:
> > Correct some coding style errors in
> > drivers/staging/rtl8192u/r819xU_firmware.c.
> >
> > Signed-off-by: Tsung-Han Lin <[email protected]>
> > ---
> > drivers/staging/rtl8192u/r819xU_firmware.c | 65 +++++++++++++++---------------
> > 1 file changed, 33 insertions(+), 32 deletions(-)
>
> This doesn't apply due to changes others have made in this file. Also,
> listen to Joe's comments for your next patch.
>
> thanks,
>
> greg k-h

Thanks Greg and Joe for the comments.
I will try to make them better next time.

Tsung-Han Lin