2019-09-27 06:51:41

by Marcel Holtmann

Subject: [PATCH] Bluetooth: btusb: Use IS_ENABLED instead of #ifdef

For the different hardware support options, it is better to use
IS_ENABLED check. Let the compiler do the needed optimizations.

Signed-off-by: Marcel Holtmann <[email protected]>
---
drivers/bluetooth/btusb.c | 22 +++++++---------------
1 file changed, 7 insertions(+), 15 deletions(-)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 0f1b99ff5aec..5d7bc3410104 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2496,8 +2496,6 @@ static int btusb_shutdown_intel_new(struct hci_dev *hdev)
return 0;
}

-#ifdef CONFIG_BT_HCIBTUSB_MTK
-
#define FIRMWARE_MT7663 "mediatek/mt7663pr2h.bin"
#define FIRMWARE_MT7668 "mediatek/mt7668pr2h.bin"

@@ -3058,7 +3056,6 @@ static int btusb_mtk_shutdown(struct hci_dev *hdev)

MODULE_FIRMWARE(FIRMWARE_MT7663);
MODULE_FIRMWARE(FIRMWARE_MT7668);
-#endif

#ifdef CONFIG_PM
/* Configure an out-of-band gpio as wake-up pin, if specified in device tree */
@@ -3418,7 +3415,6 @@ static int btusb_setup_qca(struct hci_dev *hdev)
return 0;
}

-#ifdef CONFIG_BT_HCIBTUSB_BCM
static inline int __set_diag_interface(struct hci_dev *hdev)
{
struct btusb_data *data = hci_get_drvdata(hdev);
@@ -3505,7 +3501,6 @@ static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable)

return submit_or_queue_tx_urb(hdev, urb);
}
-#endif

#ifdef CONFIG_PM
static irqreturn_t btusb_oob_wake_handler(int irq, void *priv)
@@ -3731,8 +3726,8 @@ static int btusb_probe(struct usb_interface *intf,
if (id->driver_info & BTUSB_BCM92035)
hdev->setup = btusb_setup_bcm92035;

-#ifdef CONFIG_BT_HCIBTUSB_BCM
- if (id->driver_info & BTUSB_BCM_PATCHRAM) {
+ if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) &&
+ (id->driver_info & BTUSB_BCM_PATCHRAM)) {
hdev->manufacturer = 15;
hdev->setup = btbcm_setup_patchram;
hdev->set_diag = btusb_bcm_set_diag;
@@ -3742,7 +3737,8 @@ static int btusb_probe(struct usb_interface *intf,
data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
}

- if (id->driver_info & BTUSB_BCM_APPLE) {
+ if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) &&
+ (id->driver_info & BTUSB_BCM_APPLE)) {
hdev->manufacturer = 15;
hdev->setup = btbcm_setup_apple;
hdev->set_diag = btusb_bcm_set_diag;
@@ -3750,7 +3746,6 @@ static int btusb_probe(struct usb_interface *intf,
/* Broadcom LM_DIAG Interface numbers are hardcoded */
data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
}
-#endif

if (id->driver_info & BTUSB_INTEL) {
hdev->manufacturer = 2;
@@ -3781,14 +3776,13 @@ static int btusb_probe(struct usb_interface *intf,
if (id->driver_info & BTUSB_MARVELL)
hdev->set_bdaddr = btusb_set_bdaddr_marvell;

-#ifdef CONFIG_BT_HCIBTUSB_MTK
- if (id->driver_info & BTUSB_MEDIATEK) {
+ if (IS_ENABLED(CONFIG_BT_HCIBTUSB_MTK) &&
+ (id->driver_info & BTUSB_MEDIATEK)) {
hdev->setup = btusb_mtk_setup;
hdev->shutdown = btusb_mtk_shutdown;
hdev->manufacturer = 70;
set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks);
}
-#endif

if (id->driver_info & BTUSB_SWAVE) {
set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks);
@@ -3893,15 +3887,13 @@ static int btusb_probe(struct usb_interface *intf,
goto out_free_dev;
}

-#ifdef CONFIG_BT_HCIBTUSB_BCM
- if (data->diag) {
+ if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && data->diag) {
if (!usb_driver_claim_interface(&btusb_driver,
data->diag, data))
__set_diag_interface(hdev);
else
data->diag = NULL;
}
-#endif

if (enable_autosuspend)
usb_enable_autosuspend(data->udev);
--
2.20.1

2019-09-30 10:57:45

by Johan Hedberg

Subject: Re: [PATCH] Bluetooth: btusb: Use IS_ENABLED instead of #ifdef

Hi Marcel,

On Fri, Sep 27, 2019, Marcel Holtmann wrote:
> For the different hardware support options, it is better to use
> IS_ENABLED check. Let the compiler do the needed optimizations.
>
> Signed-off-by: Marcel Holtmann <[email protected]>
> ---
> drivers/bluetooth/btusb.c | 22 +++++++---------------
> 1 file changed, 7 insertions(+), 15 deletions(-)

Applied to bluetooth-next. Thanks.

Johan