aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/usb/misc/emi62.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/misc/emi62.c')
-rw-r--r--drivers/usb/misc/emi62.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/misc/emi62.c b/drivers/usb/misc/emi62.c
index 52fea2e08db8..fe351371f274 100644
--- a/drivers/usb/misc/emi62.c
+++ b/drivers/usb/misc/emi62.c
@@ -15,6 +15,7 @@
15#include <linux/init.h> 15#include <linux/init.h>
16#include <linux/module.h> 16#include <linux/module.h>
17#include <linux/usb.h> 17#include <linux/usb.h>
18#include <linux/delay.h>
18 19
19#define MAX_INTEL_HEX_RECORD_LENGTH 16 20#define MAX_INTEL_HEX_RECORD_LENGTH 16
20typedef struct _INTEL_HEX_RECORD 21typedef struct _INTEL_HEX_RECORD
@@ -123,6 +124,7 @@ static int emi62_load_firmware (struct usb_device *dev)
123 124
124 /* De-assert reset (let the CPU run) */ 125 /* De-assert reset (let the CPU run) */
125 err = emi62_set_reset(dev,0); 126 err = emi62_set_reset(dev,0);
127 msleep(250); /* let device settle */
126 128
127 /* 2. We upload the FPGA firmware into the EMI 129 /* 2. We upload the FPGA firmware into the EMI
128 * Note: collect up to 1023 (yes!) bytes and send them with 130 * Note: collect up to 1023 (yes!) bytes and send them with
@@ -166,6 +168,7 @@ static int emi62_load_firmware (struct usb_device *dev)
166 err("%s - error loading firmware: error = %d", __FUNCTION__, err); 168 err("%s - error loading firmware: error = %d", __FUNCTION__, err);
167 goto wraperr; 169 goto wraperr;
168 } 170 }
171 msleep(250); /* let device settle */
169 172
170 /* 4. We put the part of the firmware that lies in the external RAM into the EZ-USB */ 173 /* 4. We put the part of the firmware that lies in the external RAM into the EZ-USB */
171 174
@@ -228,6 +231,7 @@ static int emi62_load_firmware (struct usb_device *dev)
228 err("%s - error loading firmware: error = %d", __FUNCTION__, err); 231 err("%s - error loading firmware: error = %d", __FUNCTION__, err);
229 goto wraperr; 232 goto wraperr;
230 } 233 }
234 msleep(250); /* let device settle */
231 235
232 kfree(buf); 236 kfree(buf);
233 237