X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fusb%2Fmisc%2Femi26.c;h=5c0a26cbd12884e212b319df3608121034ea8e01;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=3824df33094e237d10a26058ebb91945f7ba2bad;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/drivers/usb/misc/emi26.c b/drivers/usb/misc/emi26.c
index 3824df330..5c0a26cbd 100644
--- a/drivers/usb/misc/emi26.c
+++ b/drivers/usb/misc/emi26.c
@@ -15,6 +15,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/usb.h>
+#include <linux/delay.h>
 
 #define MAX_INTEL_HEX_RECORD_LENGTH 16
 typedef struct _INTEL_HEX_RECORD
@@ -52,13 +53,12 @@ static void __exit emi26_exit (void);
 static int emi26_writememory (struct usb_device *dev, int address, unsigned char *data, int length, __u8 request)
 {
 	int result;
-	unsigned char *buffer =  kmalloc (length, GFP_KERNEL);
+	unsigned char *buffer =  kmemdup(data, length, GFP_KERNEL);
 
 	if (!buffer) {
 		err("emi26: kmalloc(%d) failed.", length);
 		return -ENOMEM;
 	}
-	memcpy (buffer, data, length);
 	/* Note: usb_control_msg returns negative value on error or length of the
 	 * 		 data that was written! */
 	result = usb_control_msg (dev, usb_sndctrlpipe(dev, 0), request, 0x40, address, 0, buffer, length, 300);
@@ -114,6 +114,7 @@ static int emi26_load_firmware (struct usb_device *dev)
 
 	/* De-assert reset (let the CPU run) */
 	err = emi26_set_reset(dev,0);
+	msleep(250);	/* let device settle */
 
 	/* 2. We upload the FPGA firmware into the EMI
 	 * Note: collect up to 1023 (yes!) bytes and send them with
@@ -150,6 +151,7 @@ static int emi26_load_firmware (struct usb_device *dev)
 			goto wraperr;
 		}
 	}
+	msleep(250);	/* let device settle */
 
 	/* De-assert reset (let the CPU run) */
 	err = emi26_set_reset(dev,0);
@@ -192,6 +194,7 @@ static int emi26_load_firmware (struct usb_device *dev)
 		err("%s - error loading firmware: error = %d", __FUNCTION__, err);
 		goto wraperr;
 	}
+	msleep(250);	/* let device settle */
 
 	/* return 1 to fail the driver inialization
 	 * and give real driver change to load */