netdev - [net-2.6 3/3] iwmc3200top: simplify imwct

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Message-Id: <1260822623-16480-3-git-send-email-tomas.winkler@intel.com>
Date:	Mon, 14 Dec 2009 22:30:23 +0200
From:	Tomas Winkler <tomas.winkler@...el.com>
To:	davem@...emloft.net, netdev@...r.kernel.org,
	linux-mmc@...r.kernel.org
Cc:	yi.zhu@...el.com, inaky.perez-gonzalez@...el.com,
	guy.cohen@...el.com, ron.rindjunsky@...el.com,
	Tomas Winkler <tomas.winkler@...el.com>
Subject: [net-2.6 3/3] iwmc3200top: simplify imwct_tx

1. remove address argument since we use same address IWMC_SDIO_DATA_ADDR in
    all cases
2. add __iwmct_tx - non locking tx function for already locked contexts

Signed-off-by: Tomas Winkler <tomas.winkler@...el.com>
---
 drivers/misc/iwmc3200top/fw-download.c |    4 +-
 drivers/misc/iwmc3200top/iwmc3200top.h |    4 +--
 drivers/misc/iwmc3200top/main.c        |   34 +++++++++++++++----------------
 3 files changed, 19 insertions(+), 23 deletions(-)

diff --git a/drivers/misc/iwmc3200top/fw-download.c b/drivers/misc/iwmc3200top/fw-download.c
index 07055af..9dbaeb5 100644
--- a/drivers/misc/iwmc3200top/fw-download.c
+++ b/drivers/misc/iwmc3200top/fw-download.c
@@ -228,7 +228,7 @@ static int iwmct_download_section(struct iwmct_priv *priv, const u8 *p_sec,
 		hdr->cmd = cpu_to_le32(cmd);
 		/* send it down */
 		/* TODO: add more proper sending and error checking */
-		ret = iwmct_tx(priv, 0, parser->buf, trans_size);
+		ret = iwmct_tx(priv, parser->buf, trans_size);
 		if (ret != 0) {
 			LOG_INFO(priv, FW_DOWNLOAD,
 				"iwmct_tx returned %d\n", ret);
@@ -280,7 +280,7 @@ static int iwmct_kick_fw(struct iwmct_priv *priv, bool jump)
 	LOG_HEXDUMP(FW_DOWNLOAD, parser->buf, sizeof(*hdr));
 	/* send it down */
 	/* TODO: add more proper sending and error checking */
-	ret = iwmct_tx(priv, 0, parser->buf, IWMC_SDIO_BLK_SIZE);
+	ret = iwmct_tx(priv, parser->buf, IWMC_SDIO_BLK_SIZE);
 	if (ret)
 		LOG_INFO(priv, FW_DOWNLOAD, "iwmct_tx returned %d", ret);
 
diff --git a/drivers/misc/iwmc3200top/iwmc3200top.h b/drivers/misc/iwmc3200top/iwmc3200top.h
index 43bd510..740ff07 100644
--- a/drivers/misc/iwmc3200top/iwmc3200top.h
+++ b/drivers/misc/iwmc3200top/iwmc3200top.h
@@ -196,9 +196,7 @@ struct iwmct_priv {
 	struct list_head read_req_list;
 };
 
-extern int iwmct_tx(struct iwmct_priv *priv, unsigned int addr,
-		void *src, int count);
-
+extern int iwmct_tx(struct iwmct_priv *priv, void *src, int count);
 extern int iwmct_fw_load(struct iwmct_priv *priv);
 
 extern void iwmct_dbg_init_params(struct iwmct_priv *drv);
diff --git a/drivers/misc/iwmc3200top/main.c b/drivers/misc/iwmc3200top/main.c
index 3862794..dd0a391 100644
--- a/drivers/misc/iwmc3200top/main.c
+++ b/drivers/misc/iwmc3200top/main.c
@@ -49,6 +49,20 @@ MODULE_LICENSE("GPL");
 MODULE_AUTHOR(DRIVER_COPYRIGHT);
 MODULE_FIRMWARE(FW_NAME(FW_API_VER));
 
+
+static inline int __iwmct_tx(struct iwmct_priv *priv, void *src, int count)
+{
+	return sdio_memcpy_toio(priv->func, IWMC_SDIO_DATA_ADDR, src, count);
+
+}
+int iwmct_tx(struct iwmct_priv *priv, void *src, int count)
+{
+	int ret;
+	sdio_claim_host(priv->func);
+	ret =  __iwmct_tx(priv, src, count);
+	sdio_release_host(priv->func);
+	return ret;
+}
 /*
  * This workers main task is to wait for OP_OPR_ALIVE
  * from TOP FW until ALIVE_MSG_TIMOUT timeout is elapsed.
@@ -158,27 +172,12 @@ int iwmct_send_hcmd(struct iwmct_priv *priv, u8 *cmd, u16 len)
 	}
 
 	memcpy(buf, cmd, len);
-
-	sdio_claim_host(priv->func);
-	ret = sdio_memcpy_toio(priv->func, IWMC_SDIO_DATA_ADDR, buf,
-			       FW_HCMD_BLOCK_SIZE);
-	sdio_release_host(priv->func);
+	ret = iwmct_tx(priv, buf, FW_HCMD_BLOCK_SIZE);
 
 	kfree(buf);
 	return ret;
 }
 
-int iwmct_tx(struct iwmct_priv *priv, unsigned int addr,
-	void *src, int count)
-{
-	int ret;
-
-	sdio_claim_host(priv->func);
-	ret = sdio_memcpy_toio(priv->func, addr, src, count);
-	sdio_release_host(priv->func);
-
-	return ret;
-}
 
 static void iwmct_irq_read_worker(struct work_struct *ws)
 {
@@ -273,8 +272,7 @@ static void iwmct_irq_read_worker(struct work_struct *ws)
 
 		if (barker & BARKER_DNLOAD_SYNC_MSK) {
 			/* Send the same barker back */
-			ret = sdio_memcpy_toio(priv->func, IWMC_SDIO_DATA_ADDR,
-					       buf, iosize);
+			ret = __iwmct_tx(priv, buf, iosize);
 			if (ret) {
 				LOG_ERROR(priv, IRQ,
 					 "error %d echoing barker\n", ret);
-- 
1.6.0.6

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