INTSTS1 and INTENB1 register of renesas_usbhs can access only Host mode.
This adds process of accessing INTSTS1 and INTENB1 only when renesas_usbhs
is Host mode.
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu...@renesas.com>
---
drivers/usb/renesas_usbhs/mod.c | 61 +++++++++++++++++++++++------------------
1 file changed, 34 insertions(+), 27 deletions(-)
diff --git a/drivers/usb/renesas_usbhs/mod.c b/drivers/usb/renesas_usbhs/mod.c
index 9a705b1..e5ce6e6 100644
--- a/drivers/usb/renesas_usbhs/mod.c
+++ b/drivers/usb/renesas_usbhs/mod.c
@@ -218,10 +218,12 @@ static int usbhs_status_get_each_irq(struct usbhs_priv
*priv,
/******************** spin lock ********************/
usbhs_lock(priv, flags);
state->intsts0 = usbhs_read(priv, INTSTS0);
- state->intsts1 = usbhs_read(priv, INTSTS1);
-
intenb0 = usbhs_read(priv, INTENB0);
- intenb1 = usbhs_read(priv, INTENB1);
+
+ if (usbhs_mod_is_host(priv)) {
+ state->intsts1 = usbhs_read(priv, INTSTS1);
+ intenb1 = usbhs_read(priv, INTENB1);
+ }
/* mask */
if (mod) {
@@ -275,7 +277,8 @@ static irqreturn_t usbhs_interrupt(int irq, void *data)
* - Function :: VALID bit should 0
*/
usbhs_write(priv, INTSTS0, ~irq_state.intsts0 & INTSTS0_MAGIC);
- usbhs_write(priv, INTSTS1, ~irq_state.intsts1 & INTSTS1_MAGIC);
+ if (usbhs_mod_is_host(priv))
+ usbhs_write(priv, INTSTS1, ~irq_state.intsts1 & INTSTS1_MAGIC);
usbhs_write(priv, BRDYSTS, ~irq_state.brdysts);
usbhs_write(priv, NRDYSTS, ~irq_state.nrdysts);
@@ -303,19 +306,20 @@ static irqreturn_t usbhs_interrupt(int irq, void *data)
if (irq_state.intsts0 & BRDY)
usbhs_mod_call(priv, irq_ready, priv, &irq_state);
- /* INTSTS1 */
- if (irq_state.intsts1 & ATTCH)
- usbhs_mod_call(priv, irq_attch, priv, &irq_state);
-
- if (irq_state.intsts1 & DTCH)
- usbhs_mod_call(priv, irq_dtch, priv, &irq_state);
+ if (usbhs_mod_is_host(priv)) {
+ /* INTSTS1 */
+ if (irq_state.intsts1 & ATTCH)
+ usbhs_mod_call(priv, irq_attch, priv, &irq_state);
- if (irq_state.intsts1 & SIGN)
- usbhs_mod_call(priv, irq_sign, priv, &irq_state);
+ if (irq_state.intsts1 & DTCH)
+ usbhs_mod_call(priv, irq_dtch, priv, &irq_state);
- if (irq_state.intsts1 & SACK)
- usbhs_mod_call(priv, irq_sack, priv, &irq_state);
+ if (irq_state.intsts1 & SIGN)
+ usbhs_mod_call(priv, irq_sign, priv, &irq_state);
+ if (irq_state.intsts1 & SACK)
+ usbhs_mod_call(priv, irq_sack, priv, &irq_state);
+ }
return IRQ_HANDLED;
}
@@ -334,7 +338,8 @@ void usbhs_irq_callback_update(struct usbhs_priv *priv,
struct usbhs_mod *mod)
* - update INTSTS0
*/
usbhs_write(priv, INTENB0, 0);
- usbhs_write(priv, INTENB1, 0);
+ if (usbhs_mod_is_host(priv))
+ usbhs_write(priv, INTENB1, 0);
usbhs_write(priv, BEMPENB, 0);
usbhs_write(priv, BRDYENB, 0);
@@ -368,25 +373,27 @@ void usbhs_irq_callback_update(struct usbhs_priv *priv,
struct usbhs_mod *mod)
intenb0 |= BRDYE;
}
- /*
- * INTSTS1
- */
- if (mod->irq_attch)
- intenb1 |= ATTCHE;
+ if (usbhs_mod_is_host(priv)) {
+ /*
+ * INTSTS1
+ */
+ if (mod->irq_attch)
+ intenb1 |= ATTCHE;
- if (mod->irq_dtch)
- intenb1 |= DTCHE;
+ if (mod->irq_dtch)
+ intenb1 |= DTCHE;
- if (mod->irq_sign)
- intenb1 |= SIGNE;
+ if (mod->irq_sign)
+ intenb1 |= SIGNE;
- if (mod->irq_sack)
- intenb1 |= SACKE;
+ if (mod->irq_sack)
+ intenb1 |= SACKE;
+ }
}
if (intenb0)
usbhs_write(priv, INTENB0, intenb0);
- if (intenb1)
+ if (usbhs_mod_is_host(priv) && intenb1)
usbhs_write(priv, INTENB1, intenb1);
}
--
2.1.3
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
