From: Rajesh Bhagat <rajesh.bha...@nxp.com>
Adds a new field in fsg_common namely controller_index to support
multiple controllers usb gadget support.
Signed-off-by: Rajat Srivastava <rajat.srivast...@nxp.com>
Signed-off-by: Rajesh Bhagat <rajesh.bha...@nxp.com>
---
cmd/usb_mass_storage.c | 2 +-
drivers/usb/gadget/f_mass_storage.c | 10 +++++++++-
2 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/cmd/usb_mass_storage.c b/cmd/usb_mass_storage.c
index b05913a..1c955f8 100644
--- a/cmd/usb_mass_storage.c
+++ b/cmd/usb_mass_storage.c
@@ -214,7 +214,7 @@ int do_usb_mass_storage(cmd_tbl_t *cmdtp, int flag,
while (1) {
usb_gadget_handle_interrupts(controller_index);
- rc = fsg_main_thread(NULL);
+ rc = fsg_main_thread(&controller_index);
if (rc) {
/* Check I/O error */
if (rc == -EIO)
diff --git a/drivers/usb/gadget/f_mass_storage.c
b/drivers/usb/gadget/f_mass_storage.c
index 1ecb92a..cc3e4af 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -362,6 +362,7 @@ struct fsg_common {
char inquiry_string[8 + 16 + 4 + 1];
struct kref ref;
+ unsigned int controller_index;
};
struct fsg_config {
@@ -691,7 +692,7 @@ static int sleep_thread(struct fsg_common *common)
k = 0;
}
- usb_gadget_handle_interrupts(0);
+ usb_gadget_handle_interrupts(common->controller_index);
}
common->thread_wakeup_needed = 0;
return rc;
@@ -2406,6 +2407,11 @@ int fsg_main_thread(void *common_)
{
int ret;
struct fsg_common *common = the_fsg_common;
+
+ /* update the controller_index */
+ if (common_)
+ common->controller_index = *(unsigned int *)common_;
+
/* The main loop */
do {
if (exception_in_progress(common)) {
@@ -2476,6 +2482,7 @@ static struct fsg_common *fsg_common_init(struct
fsg_common *common,
common->ops = NULL;
common->private_data = NULL;
+ common->controller_index = 0;
common->gadget = gadget;
common->ep0 = gadget->ep0;
@@ -2770,6 +2777,7 @@ int fsg_add(struct usb_configuration *c)
fsg_common->ops = NULL;
fsg_common->private_data = NULL;
+ fsg_common->controller_index = 0;
the_fsg_common = fsg_common;
--
1.9.1
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