add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/drivers/usb/gadget/udc/s3c2410_udc.c
..
..
@@ -36,15 +36,11 @@
36
36
 #include <asm/byteorder.h>
37
37
 #include <asm/irq.h>
38
38
 #include <asm/unaligned.h>
39
-#include <mach/irqs.h>
40
39
 
41
-#include <mach/hardware.h>
42
-
43
-#include <plat/regs-udc.h>
44
40
 #include <linux/platform_data/usb-s3c2410_udc.h>
45
41
 
46
-
47
42
 #include "s3c2410_udc.h"
43
+#include "s3c2410_udc_regs.h"
48
44
 
49
45
 #define DRIVER_DESC	"S3C2410 USB Device Controller Gadget"
50
46
 #define DRIVER_AUTHOR	"Herbert Pötzl <herbert@13thfloor.at>, " \
..
..
@@ -57,8 +53,7 @@
57
53
 static struct clk		*udc_clock;
58
54
 static struct clk		*usb_bus_clock;
59
55
 static void __iomem		*base_addr;
60
-static u64			rsrc_start;
61
-static u64			rsrc_len;
56
+static int			irq_usbd;
62
57
 static struct dentry		*s3c2410_udc_debugfs_root;
63
58
 
64
59
 static inline u32 udc_read(u32 reg)
..
..
@@ -119,7 +114,7 @@
119
114
 }
120
115
 #endif
121
116
 
122
-static int s3c2410_udc_debugfs_seq_show(struct seq_file *m, void *p)
117
+static int s3c2410_udc_debugfs_show(struct seq_file *m, void *p)
123
118
 {
124
119
 	u32 addr_reg, pwr_reg, ep_int_reg, usb_int_reg;
125
120
 	u32 ep_int_en_reg, usb_int_en_reg, ep0_csr;
..
..
@@ -168,20 +163,7 @@
168
163
 
169
164
 	return 0;
170
165
 }
171
-
172
-static int s3c2410_udc_debugfs_fops_open(struct inode *inode,
173
-					 struct file *file)
174
-{
175
-	return single_open(file, s3c2410_udc_debugfs_seq_show, NULL);
176
-}
177
-
178
-static const struct file_operations s3c2410_udc_debugfs_fops = {
179
-	.open		= s3c2410_udc_debugfs_fops_open,
180
-	.read		= seq_read,
181
-	.llseek		= seq_lseek,
182
-	.release	= single_release,
183
-	.owner		= THIS_MODULE,
184
-};
166
+DEFINE_SHOW_ATTRIBUTE(s3c2410_udc_debugfs);
185
167
 
186
168
 /* io macros */
187
169
 
..
..
@@ -321,6 +303,7 @@
321
303
 	switch (idx) {
322
304
 	default:
323
305
 		idx = 0;
306
+		fallthrough;
324
307
 	case 0:
325
308
 		fifo_reg = S3C2410_UDC_EP0_FIFO_REG;
326
309
 		break;
..
..
@@ -425,6 +408,7 @@
425
408
 	switch (idx) {
426
409
 	default:
427
410
 		idx = 0;
411
+		fallthrough;
428
412
 	case 0:
429
413
 		fifo_reg = S3C2410_UDC_EP0_FIFO_REG;
430
414
 		break;
..
..
@@ -846,8 +830,6 @@
846
830
 	}
847
831
 }
848
832
 
849
-#include <mach/regs-irq.h>
850
-
851
833
 /*
852
834
  *	s3c2410_udc_irq - interrupt handler
853
835
  */
..
..
@@ -988,7 +970,7 @@
988
970
 		}
989
971
 	}
990
972
 
991
-	dprintk(DEBUG_VERBOSE, "irq: %d s3c2410_udc_done.\n", IRQ_USBD);
973
+	dprintk(DEBUG_VERBOSE, "irq: %d s3c2410_udc_done.\n", irq_usbd);
992
974
 
993
975
 	/* Restore old index */
994
976
 	udc_write(idx, S3C2410_UDC_INDEX_REG);
..
..
@@ -1281,7 +1263,6 @@
1281
1263
 static int s3c2410_udc_dequeue(struct usb_ep *_ep, struct usb_request *_req)
1282
1264
 {
1283
1265
 	struct s3c2410_ep	*ep = to_s3c2410_ep(_ep);
1284
-	struct s3c2410_udc	*udc;
1285
1266
 	int			retval = -EINVAL;
1286
1267
 	unsigned long		flags;
1287
1268
 	struct s3c2410_request	*req = NULL;
..
..
@@ -1293,8 +1274,6 @@
1293
1274
 
1294
1275
 	if (!_ep || !_req)
1295
1276
 		return retval;
1296
-
1297
-	udc = to_s3c2410_udc(ep->gadget);
1298
1277
 
1299
1278
 	local_irq_save(flags);
1300
1279
 
..
..
@@ -1771,7 +1750,8 @@
1771
1750
 	udc_clock = clk_get(NULL, "usb-device");
1772
1751
 	if (IS_ERR(udc_clock)) {
1773
1752
 		dev_err(dev, "failed to get udc clock source\n");
1774
-		return PTR_ERR(udc_clock);
1753
+		retval = PTR_ERR(udc_clock);
1754
+		goto err_usb_bus_clk;
1775
1755
 	}
1776
1756
 
1777
1757
 	clk_prepare_enable(udc_clock);
..
..
@@ -1791,16 +1771,10 @@
1791
1771
 	spin_lock_init(&udc->lock);
1792
1772
 	udc_info = dev_get_platdata(&pdev->dev);
1793
1773
 
1794
-	rsrc_start = S3C2410_PA_USBDEV;
1795
-	rsrc_len   = S3C24XX_SZ_USBDEV;
1796
-
1797
-	if (!request_mem_region(rsrc_start, rsrc_len, gadget_name))
1798
-		return -EBUSY;
1799
-
1800
-	base_addr = ioremap(rsrc_start, rsrc_len);
1801
-	if (!base_addr) {
1802
-		retval = -ENOMEM;
1803
-		goto err_mem;
1774
+	base_addr = devm_platform_ioremap_resource(pdev, 0);
1775
+	if (IS_ERR(base_addr)) {
1776
+		retval = PTR_ERR(base_addr);
1777
+		goto err_udc_clk;
1804
1778
 	}
1805
1779
 
1806
1780
 	the_controller = udc;
..
..
@@ -1809,17 +1783,23 @@
1809
1783
 	s3c2410_udc_disable(udc);
1810
1784
 	s3c2410_udc_reinit(udc);
1811
1785
 
1786
+	irq_usbd = platform_get_irq(pdev, 0);
1787
+	if (irq_usbd < 0) {
1788
+		retval = irq_usbd;
1789
+		goto err_udc_clk;
1790
+	}
1791
+
1812
1792
 	/* irq setup after old hardware state is cleaned up */
1813
-	retval = request_irq(IRQ_USBD, s3c2410_udc_irq,
1793
+	retval = request_irq(irq_usbd, s3c2410_udc_irq,
1814
1794
 			     0, gadget_name, udc);
1815
1795
 
1816
1796
 	if (retval != 0) {
1817
-		dev_err(dev, "cannot get irq %i, err %d\n", IRQ_USBD, retval);
1797
+		dev_err(dev, "cannot get irq %i, err %d\n", irq_usbd, retval);
1818
1798
 		retval = -EBUSY;
1819
-		goto err_map;
1799
+		goto err_udc_clk;
1820
1800
 	}
1821
1801
 
1822
-	dev_dbg(dev, "got irq %i\n", IRQ_USBD);
1802
+	dev_dbg(dev, "got irq %i\n", irq_usbd);
1823
1803
 
1824
1804
 	if (udc_info && udc_info->vbus_pin > 0) {
1825
1805
 		retval = gpio_request(udc_info->vbus_pin, "udc vbus");
..
..
@@ -1886,11 +1866,15 @@
1886
1866
 	if (udc_info && udc_info->vbus_pin > 0)
1887
1867
 		gpio_free(udc_info->vbus_pin);
1888
1868
 err_int:
1889
-	free_irq(IRQ_USBD, udc);
1890
-err_map:
1891
-	iounmap(base_addr);
1892
-err_mem:
1893
-	release_mem_region(rsrc_start, rsrc_len);
1869
+	free_irq(irq_usbd, udc);
1870
+err_udc_clk:
1871
+	clk_disable_unprepare(udc_clock);
1872
+	clk_put(udc_clock);
1873
+	udc_clock = NULL;
1874
+err_usb_bus_clk:
1875
+	clk_disable_unprepare(usb_bus_clock);
1876
+	clk_put(usb_bus_clock);
1877
+	usb_bus_clock = NULL;
1894
1878
 
1895
1879
 	return retval;
1896
1880
 }
..
..
@@ -1920,10 +1904,7 @@
1920
1904
 		free_irq(irq, udc);
1921
1905
 	}
1922
1906
 
1923
-	free_irq(IRQ_USBD, udc);
1924
-
1925
-	iounmap(base_addr);
1926
-	release_mem_region(rsrc_start, rsrc_len);
1907
+	free_irq(irq_usbd, udc);
1927
1908
 
1928
1909
 	if (!IS_ERR(udc_clock) && udc_clock != NULL) {
1929
1910
 		clk_disable_unprepare(udc_clock);
..
..
@@ -1985,7 +1966,8 @@
1985
1966
 
1986
1967
 	dprintk(DEBUG_NORMAL, "%s\n", gadget_name);
1987
1968
 
1988
-	s3c2410_udc_debugfs_root = debugfs_create_dir(gadget_name, NULL);
1969
+	s3c2410_udc_debugfs_root = debugfs_create_dir(gadget_name,
1970
+						      usb_debug_root);
1989
1971
 
1990
1972
 	retval = platform_driver_register(&udc_driver_24x0);
1991
1973
 	if (retval)