espresso: wifi: remove old CONFIG_DHD_USE_STATIC_BUF support

This is probably broken, and it's very unlikely that we'll ever need it.

Change-Id: I93f46a8d1bbd5d6ac5f16a93daff6e7f8add10fb

1 files changed, 0 insertions, 73 deletions

diff --git a/arch/arm/mach-omap2/board-espresso-wifi.c b/arch/arm/mach-omap2/board-espresso-wifi.c
index 8faad70..123811f 100644
--- a/arch/arm/mach-omap2/board-espresso-wifi.c
+++ b/arch/arm/mach-omap2/board-espresso-wifi.c
@@ -24,7 +24,6 @@
 #include <linux/io.h>
 #include <asm/setup.h>
 #include <linux/if.h>
-#include <linux/skbuff.h>
 #include <linux/wlan_plat.h>
 #include <linux/pm_runtime.h>
 #include <linux/regulator/machine.h>
@@ -41,72 +40,6 @@
 #define GPIO_WLAN_HOST_WAKE	81
 #define GPIO_WLAN_EN		104
 
-#ifdef CONFIG_DHD_USE_STATIC_BUF
-#define WLAN_STATIC_SCAN_BUF0		5
-#define WLAN_STATIC_SCAN_BUF1		6
-#define PREALLOC_WLAN_NUMBER_OF_SECTIONS	4
-#define PREALLOC_WLAN_NUMBER_OF_BUFFERS		160
-#define PREALLOC_WLAN_SECTION_HEADER		24
-
-#define WLAN_SECTION_SIZE_0	(PREALLOC_WLAN_NUMBER_OF_BUFFERS * 128)
-#define WLAN_SECTION_SIZE_1	(PREALLOC_WLAN_NUMBER_OF_BUFFERS * 128)
-#define WLAN_SECTION_SIZE_2	(PREALLOC_WLAN_NUMBER_OF_BUFFERS * 512)
-#define WLAN_SECTION_SIZE_3	(PREALLOC_WLAN_NUMBER_OF_BUFFERS * 1024)
-
-#define DHD_SKB_HDRSIZE			336
-#define DHD_SKB_1PAGE_BUFSIZE	((PAGE_SIZE*1)-DHD_SKB_HDRSIZE)
-#define DHD_SKB_2PAGE_BUFSIZE	((PAGE_SIZE*2)-DHD_SKB_HDRSIZE)
-#define DHD_SKB_4PAGE_BUFSIZE	((PAGE_SIZE*4)-DHD_SKB_HDRSIZE)
-
-#define WLAN_SKB_BUF_NUM	16
-
-static struct sk_buff *wlan_static_skb[WLAN_SKB_BUF_NUM];
-
-struct wifi_mem_prealloc {
-	void *mem_ptr;
-	unsigned long size;
-} wifi_mem_prealloc_t;
-
-static wifi_mem_prealloc_t wifi_mem_array[PREALLOC_WLAN_NUMBER_OF_SECTIONS] = {
-	{ NULL, (WLAN_SECTION_SIZE_0 + PREALLOC_WLAN_SECTION_HEADER) },
-	{ NULL, (WLAN_SECTION_SIZE_1 + PREALLOC_WLAN_SECTION_HEADER) },
-	{ NULL, (WLAN_SECTION_SIZE_2 + PREALLOC_WLAN_SECTION_HEADER) },
-	{ NULL, (WLAN_SECTION_SIZE_3 + PREALLOC_WLAN_SECTION_HEADER) }
-};
-
-static void *espresso_wifi_mem_prealloc(int section, unsigned long size)
-{
-	if (section == PREALLOC_WLAN_NUMBER_OF_SECTIONS)
-		return wlan_static_skb;
-	if ((section < 0) || (section > PREALLOC_WLAN_NUMBER_OF_SECTIONS))
-		return NULL;
-	if (wifi_mem_array[section].size < size)
-		return NULL;
-	return wifi_mem_array[section].mem_ptr;
-}
-#endif
-
-int __init espresso_init_wifi_mem(void)
-{
-#ifdef CONFIG_DHD_USE_STATIC_BUF
-	int i;
-
-	for(i=0;( i < WLAN_SKB_BUF_NUM );i++) {
-		if (i < (WLAN_SKB_BUF_NUM/2))
-			wlan_static_skb[i] = dev_alloc_skb(4096);
-		else
-			wlan_static_skb[i] = dev_alloc_skb(8192);
-	}
-	for(i=0;( i < PREALLOC_WLAN_NUMBER_OF_SECTIONS );i++) {
-		wifi_mem_array[i].mem_ptr = kmalloc(wifi_mem_array[i].size,
-							GFP_KERNEL);
-		if (wifi_mem_array[i].mem_ptr == NULL)
-			return -ENOMEM;
-	}
-#endif
-	return 0;
-}
-
 #define WLC_CNTRY_BUF_SZ	4
 
 /* wifi private data */
@@ -345,11 +278,6 @@ static struct wifi_platform_data espresso_wifi_control = {
 	.set_power		= espresso_wifi_power,
 	.set_reset		= espresso_wifi_reset,
 	.set_carddetect		= espresso_wifi_set_carddetect,
-#ifdef CONFIG_DHD_USE_STATIC_BUF
-	.mem_prealloc		= espresso_wifi_mem_prealloc,
-#else
-	.mem_prealloc	= NULL,
-#endif
 	.get_mac_addr		= espresso_wifi_get_mac_addr,
 	.get_country_code	= espresso_wifi_get_country_code,
 };
@@ -380,7 +308,6 @@ void __init omap4_espresso_wifi_init(void)
 {
 	pr_debug("%s\n", __func__);
 	espresso_wlan_gpio();
-	espresso_init_wifi_mem();
 	platform_device_register(&omap_vwlan_device);
 
 	platform_device_register(&espresso_wifi_device);