Re: [PATCH v2 2/5] Bluetooth: btbcm: Add BCM4324B3 UART device

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Hello Marcel,

On 07/05/2015 18:19, Marcel Holtmann wrote:
Hi Fred,

you might want to add a commit message. I dislike patches without commit messages. Explain what you are doing and why.

OK

Signed-off-by: Frederic Danis <frederic.danis@xxxxxxxxxxxxxxx>
---
drivers/bluetooth/btbcm.c | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/drivers/bluetooth/btbcm.c b/drivers/bluetooth/btbcm.c
index 5635d6d..b258454 100644
--- a/drivers/bluetooth/btbcm.c
+++ b/drivers/bluetooth/btbcm.c
@@ -33,6 +33,7 @@
#define VERSION "0.1"

#define BDADDR_BCM20702A0 (&(bdaddr_t) {{0x00, 0xa0, 0x02, 0x70, 0x20, 0x00}})
+#define BDADDR_BCM4324B3 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb3, 0x24, 0x43}})

So you have hardware that comes up with this default address? No matter what hardware you pick?

On a t100, before firmware upload I get a random address, changing at each reboot. After firmware upload, I always get this address which seems to be hard-coded in firmware file.


int btbcm_check_bdaddr(struct hci_dev *hdev)
{
@@ -71,6 +72,10 @@ int btbcm_check_bdaddr(struct hci_dev *hdev)
		BT_INFO("%s: BCM: Using default device address (%pMR)",
			hdev->name, &bda->bdaddr);
		set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
+	} else if (!bacmp(&bda->bdaddr, BDADDR_BCM4324B3)) {

+		BT_INFO("%s: BCM: Using default device address (%pMR)",
+			hdev->name, &bda->bdaddr);
+		set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);

Just check for !bacmp || !bacmp instead of else if. No need to duplicate the error message and the quirk setting.

OK

	}

	kfree_skb(skb);
@@ -251,6 +256,7 @@ static const struct {
	const char *name;
} bcm_uart_subver_table[] = {
	{ 0x410e, "BCM43341B0"	},	/* 002.001.014 */
+	{ 0x4406, "BCM4324B3"	},	/* 002.004.006 */
	{ }

Please also send userspace patches for adding this entry to the table.

OK, I will send a patch for monitor/packet.c.

};

@@ -305,6 +311,7 @@ int btbcm_setup_patchram(struct hci_dev *hdev)

	switch ((rev & 0xf000) >> 12) {
	case 0:
+	case 3:
		for (i = 0; bcm_uart_subver_table[i].name; i++) {
			if (subver == bcm_uart_subver_table[i].subver) {
				hw_name = bcm_uart_subver_table[i].name;

Regards

Fred

--
Frederic Danis                            Open Source Technology Center
frederic.danis@xxxxxxxxx                              Intel Corporation

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