Staging: gdm724x: Simplify the struct gdm_endian to a variable.

Since the testing for host endianness and in-driver conversion were
removed in 77e8a50149a2, the gdm_endian struct contains only one member,
and can therefore be simplified to a single u8 variable.

Signed-off-by: Quytelda Kahja <quytelda@tamalin.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/gdm724x/gdm_endian.c

@@ -14,41 +14,33 @@
 #include <linux/kernel.h>
 #include "gdm_endian.h"
 
-void gdm_set_endian(struct gdm_endian *ed, u8 dev_endian)
+__dev16 gdm_cpu_to_dev16(u8 dev_ed, u16 x)
 {
-	if (dev_endian == ENDIANNESS_BIG)
-		ed->dev_ed = ENDIANNESS_BIG;
-	else
-		ed->dev_ed = ENDIANNESS_LITTLE;
-}
-
-__dev16 gdm_cpu_to_dev16(struct gdm_endian *ed, u16 x)
-{
-	if (ed->dev_ed == ENDIANNESS_LITTLE)
+	if (dev_ed == ENDIANNESS_LITTLE)
 		return (__force __dev16)cpu_to_le16(x);
 	else
 		return (__force __dev16)cpu_to_be16(x);
 }
 
-u16 gdm_dev16_to_cpu(struct gdm_endian *ed, __dev16 x)
+u16 gdm_dev16_to_cpu(u8 dev_ed, __dev16 x)
 {
-	if (ed->dev_ed == ENDIANNESS_LITTLE)
+	if (dev_ed == ENDIANNESS_LITTLE)
 		return le16_to_cpu((__force __le16)x);
 	else
 		return be16_to_cpu((__force __be16)x);
 }
 
-__dev32 gdm_cpu_to_dev32(struct gdm_endian *ed, u32 x)
+__dev32 gdm_cpu_to_dev32(u8 dev_ed, u32 x)
 {
-	if (ed->dev_ed == ENDIANNESS_LITTLE)
+	if (dev_ed == ENDIANNESS_LITTLE)
 		return (__force __dev32)cpu_to_le32(x);
 	else
 		return (__force __dev32)cpu_to_be32(x);
 }
 
-u32 gdm_dev32_to_cpu(struct gdm_endian *ed, __dev32 x)
+u32 gdm_dev32_to_cpu(u8 dev_ed, __dev32 x)
 {
-	if (ed->dev_ed == ENDIANNESS_LITTLE)
+	if (dev_ed == ENDIANNESS_LITTLE)
 		return le32_to_cpu((__force __le32)x);
 	else
 		return be32_to_cpu((__force __be32)x);

drivers/staging/gdm724x/gdm_endian.h

@@ -32,14 +32,9 @@ enum {
 	ENDIANNESS_MAX
 };
 
-struct gdm_endian {
-	u8 dev_ed;
-};
-
-void gdm_set_endian(struct gdm_endian *ed, u8 dev_endian);
-__dev16 gdm_cpu_to_dev16(struct gdm_endian *ed, u16 x);
-u16 gdm_dev16_to_cpu(struct gdm_endian *ed, __dev16 x);
-__dev32 gdm_cpu_to_dev32(struct gdm_endian *ed, u32 x);
-u32 gdm_dev32_to_cpu(struct gdm_endian *ed, __dev32 x);
+__dev16 gdm_cpu_to_dev16(u8 dev_ed, u16 x);
+u16 gdm_dev16_to_cpu(u8 dev_ed, __dev16 x);
+__dev32 gdm_cpu_to_dev32(u8 dev_ed, u32 x);
+u32 gdm_dev32_to_cpu(u8 dev_ed, __dev32 x);
 
 #endif /*__GDM_ENDIAN_H__*/

drivers/staging/gdm724x/gdm_lte.c

@@ -685,7 +685,7 @@ static void gdm_lte_multi_sdu_pkt(struct phy_dev *phy_dev, char *buf, int len)
 	struct net_device *dev;
 	struct multi_sdu *multi_sdu = (struct multi_sdu *)buf;
 	struct sdu *sdu = NULL;
-	struct gdm_endian *endian = phy_dev->get_endian(phy_dev->priv_dev);
+	u8 endian = phy_dev->get_endian(phy_dev->priv_dev);
 	u8 *data = (u8 *)multi_sdu->data;
 	u16 i = 0;
 	u16 num_packet;
@@ -730,10 +730,9 @@ static void gdm_lte_pdn_table(struct net_device *dev, char *buf, int len)
 {
 	struct nic *nic = netdev_priv(dev);
 	struct hci_pdn_table_ind *pdn_table = (struct hci_pdn_table_ind *)buf;
+	u8 ed;
 
 	if (pdn_table->activate) {
-		struct gdm_endian *ed;
-
 		nic->pdn_table.activate = pdn_table->activate;
 
 		ed = nic->phy_dev->get_endian(nic->phy_dev->priv_dev);
@@ -752,9 +751,9 @@ static int gdm_lte_receive_pkt(struct phy_dev *phy_dev, char *buf, int len)
 {
 	struct hci_packet *hci = (struct hci_packet *)buf;
 	struct hci_pdn_table_ind *pdn_table = (struct hci_pdn_table_ind *)buf;
-	struct gdm_endian *endian = phy_dev->get_endian(phy_dev->priv_dev);
 	struct sdu *sdu;
 	struct net_device *dev;
+	u8 endian = phy_dev->get_endian(phy_dev->priv_dev);
 	int ret = 0;
 	u16 cmd_evt;
 	u32 nic_type;

drivers/staging/gdm724x/gdm_lte.h

@@ -56,7 +56,7 @@ struct phy_dev {
 			    int (*cb)(void *cb_data, void *data, int len,
 				      int context),
 			    void *cb_data, int context);
-	struct gdm_endian * (*get_endian)(void *priv_dev);
+	u8 (*get_endian)(void *priv_dev);
 };
 
 struct nic {

drivers/staging/gdm724x/gdm_usb.c

@@ -72,8 +72,8 @@ static int request_mac_address(struct lte_udev *udev)
 	int actual;
 	int ret = -1;
 
-	hci->cmd_evt = gdm_cpu_to_dev16(&udev->gdm_ed, LTE_GET_INFORMATION);
-	hci->len = gdm_cpu_to_dev16(&udev->gdm_ed, 1);
+	hci->cmd_evt = gdm_cpu_to_dev16(udev->gdm_ed, LTE_GET_INFORMATION);
+	hci->len = gdm_cpu_to_dev16(udev->gdm_ed, 1);
 	hci->data[0] = MAC_ADDRESS;
 
 	ret = usb_bulk_msg(usbdev, usb_sndbulkpipe(usbdev, 2), buf, 5,
@@ -410,7 +410,7 @@ static void do_rx(struct work_struct *work)
 		phy_dev = r->cb_data;
 		udev = phy_dev->priv_dev;
 		hci = (struct hci_packet *)r->buf;
-		cmd_evt = gdm_dev16_to_cpu(&udev->gdm_ed, hci->cmd_evt);
+		cmd_evt = gdm_dev16_to_cpu(udev->gdm_ed, hci->cmd_evt);
 
 		switch (cmd_evt) {
 		case LTE_GET_INFORMATION_RESULT:
@@ -604,7 +604,7 @@ static u32 packet_aggregation(struct lte_udev *udev, u8 *send_buf)
 	u16 num_packet = 0;
 	unsigned long flags;
 
-	multi_sdu->cmd_evt = gdm_cpu_to_dev16(&udev->gdm_ed, LTE_TX_MULTI_SDU);
+	multi_sdu->cmd_evt = gdm_cpu_to_dev16(udev->gdm_ed, LTE_TX_MULTI_SDU);
 
 	while (num_packet < MAX_PACKET_IN_MULTI_SDU) {
 		spin_lock_irqsave(&tx->lock, flags);
@@ -635,8 +635,8 @@ static u32 packet_aggregation(struct lte_udev *udev, u8 *send_buf)
 		spin_unlock_irqrestore(&tx->lock, flags);
 	}
 
-	multi_sdu->len = gdm_cpu_to_dev16(&udev->gdm_ed, send_len);
-	multi_sdu->num_packet = gdm_cpu_to_dev16(&udev->gdm_ed, num_packet);
+	multi_sdu->len = gdm_cpu_to_dev16(udev->gdm_ed, send_len);
+	multi_sdu->num_packet = gdm_cpu_to_dev16(udev->gdm_ed, num_packet);
 
 	return send_len + offsetof(struct multi_sdu, data);
 }
@@ -735,7 +735,7 @@ static int gdm_usb_sdu_send(void *priv_dev, void *data, int len,
 	}
 
 	sdu = (struct sdu *)t_sdu->buf;
-	sdu->cmd_evt = gdm_cpu_to_dev16(&udev->gdm_ed, LTE_TX_SDU);
+	sdu->cmd_evt = gdm_cpu_to_dev16(udev->gdm_ed, LTE_TX_SDU);
 	if (nic_type == NIC_TYPE_ARP) {
 		send_len = len + SDU_PARAM_LEN;
 		memcpy(sdu->data, data, len);
@@ -745,10 +745,10 @@ static int gdm_usb_sdu_send(void *priv_dev, void *data, int len,
 		memcpy(sdu->data, data + ETH_HLEN, len - ETH_HLEN);
 	}
 
-	sdu->len = gdm_cpu_to_dev16(&udev->gdm_ed, send_len);
-	sdu->dft_eps_ID = gdm_cpu_to_dev32(&udev->gdm_ed, dft_eps_ID);
-	sdu->bearer_ID = gdm_cpu_to_dev32(&udev->gdm_ed, eps_ID);
-	sdu->nic_type = gdm_cpu_to_dev32(&udev->gdm_ed, nic_type);
+	sdu->len = gdm_cpu_to_dev16(udev->gdm_ed, send_len);
+	sdu->dft_eps_ID = gdm_cpu_to_dev32(udev->gdm_ed, dft_eps_ID);
+	sdu->bearer_ID = gdm_cpu_to_dev32(udev->gdm_ed, eps_ID);
+	sdu->nic_type = gdm_cpu_to_dev32(udev->gdm_ed, nic_type);
 
 	t_sdu->len = send_len + HCI_HEADER_SIZE;
 	t_sdu->callback = cb;
@@ -799,11 +799,11 @@ static int gdm_usb_hci_send(void *priv_dev, void *data, int len,
 	return 0;
 }
 
-static struct gdm_endian *gdm_usb_get_endian(void *priv_dev)
+static u8 gdm_usb_get_endian(void *priv_dev)
 {
 	struct lte_udev *udev = priv_dev;
 
-	return &udev->gdm_ed;
+	return udev->gdm_ed;
 }
 
 static int gdm_usb_probe(struct usb_interface *intf,
@@ -859,9 +859,9 @@ static int gdm_usb_probe(struct usb_interface *intf,
 	 * defaults to little endian
 	 */
 	if (idProduct == PID_GDM7243)
-		gdm_set_endian(&udev->gdm_ed, ENDIANNESS_BIG);
+		udev->gdm_ed = ENDIANNESS_BIG;
 	else
-		gdm_set_endian(&udev->gdm_ed, ENDIANNESS_LITTLE);
+		udev->gdm_ed = ENDIANNESS_LITTLE;
 
 	ret = request_mac_address(udev);
 	if (ret < 0) {

drivers/staging/gdm724x/gdm_usb.h

@@ -93,11 +93,11 @@ struct rx_cxt {
 
 struct lte_udev {
 	struct usb_device *usbdev;
-	struct gdm_endian gdm_ed;
 	struct tx_cxt tx;
 	struct rx_cxt rx;
 	struct delayed_work work_tx;
 	struct delayed_work work_rx;
+	u8 gdm_ed;
 	u8 send_complete;
 	u8 tx_stop;
 	struct usb_interface *intf;