2020-11-01 03:03:34

by Nigel Christian

[permalink] [raw]
Subject: [PATCH] Bluetooth: hci_qca: resolve various warnings

Use template string as opposed to function name. Add a blank
line after declaration to improve readability. Replace symbolic
permissions with octal values. Use usleep_range for small msec
values due to the fact that msleep() less than 20ms may have
unexpected behavior/sleep longer. This patch removes all
checkpatch warnings.

- https://lkml.org/lkml/2016/8/2/1945
- Documentation/timers/timers-howto.rst

Signed-off-by: Nigel Christian <[email protected]>
---
drivers/bluetooth/hci_qca.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 2d3f1f179a1e..22da59d8f471 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -555,7 +555,7 @@ static int qca_open(struct hci_uart *hu)
struct qca_serdev *qcadev;
struct qca_data *qca;

- BT_DBG("hu %p qca_open", hu);
+ BT_DBG("hu %p %s", hu, __func__);

if (!hci_uart_has_flow_control(hu))
return -EOPNOTSUPP;
@@ -631,7 +631,7 @@ static void qca_debugfs_init(struct hci_dev *hdev)
ibs_dir = debugfs_create_dir("ibs", hdev->debugfs);

/* read only */
- mode = S_IRUGO;
+ mode = 0444;
debugfs_create_u8("tx_ibs_state", mode, ibs_dir, &qca->tx_ibs_state);
debugfs_create_u8("rx_ibs_state", mode, ibs_dir, &qca->rx_ibs_state);
debugfs_create_u64("ibs_sent_sleeps", mode, ibs_dir,
@@ -658,7 +658,7 @@ static void qca_debugfs_init(struct hci_dev *hdev)
debugfs_create_u32("vote_off_ms", mode, ibs_dir, &qca->vote_off_ms);

/* read/write */
- mode = S_IRUGO | S_IWUSR;
+ mode = 0644;
debugfs_create_u32("wake_retrans", mode, ibs_dir, &qca->wake_retrans);
debugfs_create_u32("tx_idle_delay", mode, ibs_dir,
&qca->tx_idle_delay);
@@ -1215,6 +1215,7 @@ static int qca_recv(struct hci_uart *hu, const void *data, int count)
qca_recv_pkts, ARRAY_SIZE(qca_recv_pkts));
if (IS_ERR(qca->rx_skb)) {
int err = PTR_ERR(qca->rx_skb);
+
bt_dev_err(hu->hdev, "Frame reassembly failed (%d)", err);
qca->rx_skb = NULL;
return err;
@@ -1302,7 +1303,7 @@ static int qca_set_baudrate(struct hci_dev *hdev, uint8_t baudrate)

/* Give the controller time to process the request */
if (qca_is_wcn399x(qca_soc_type(hu)))
- msleep(10);
+ usleep_range(1000, 10000);
else
msleep(300);

@@ -1350,7 +1351,7 @@ static int qca_send_power_pulse(struct hci_uart *hu, bool on)
if (on)
msleep(100);
else
- msleep(10);
+ usleep_range(1000, 10000);

return 0;
}
--
2.28.0


2020-11-09 12:46:11

by Marcel Holtmann

[permalink] [raw]
Subject: Re: [PATCH] Bluetooth: hci_qca: resolve various warnings

Hi Nigel,

> Use template string as opposed to function name. Add a blank
> line after declaration to improve readability. Replace symbolic
> permissions with octal values. Use usleep_range for small msec
> values due to the fact that msleep() less than 20ms may have
> unexpected behavior/sleep longer. This patch removes all
> checkpatch warnings.
>
> - https://lkml.org/lkml/2016/8/2/1945
> - Documentation/timers/timers-howto.rst
>
> Signed-off-by: Nigel Christian <[email protected]>
> ---
> drivers/bluetooth/hci_qca.c | 11 ++++++-----
> 1 file changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
> index 2d3f1f179a1e..22da59d8f471 100644
> --- a/drivers/bluetooth/hci_qca.c
> +++ b/drivers/bluetooth/hci_qca.c
> @@ -555,7 +555,7 @@ static int qca_open(struct hci_uart *hu)
> struct qca_serdev *qcadev;
> struct qca_data *qca;
>
> - BT_DBG("hu %p qca_open", hu);
> + BT_DBG("hu %p %s", hu, __func__);

please clean up your patch before submitting it. This change does not belong
here.

> if (!hci_uart_has_flow_control(hu))
> return -EOPNOTSUPP;
> @@ -631,7 +631,7 @@ static void qca_debugfs_init(struct hci_dev *hdev)
> ibs_dir = debugfs_create_dir("ibs", hdev->debugfs);
>
> /* read only */
> - mode = S_IRUGO;
> + mode = 0444;
> debugfs_create_u8("tx_ibs_state", mode, ibs_dir, &qca->tx_ibs_state);
> debugfs_create_u8("rx_ibs_state", mode, ibs_dir, &qca->rx_ibs_state);
> debugfs_create_u64("ibs_sent_sleeps", mode, ibs_dir,
> @@ -658,7 +658,7 @@ static void qca_debugfs_init(struct hci_dev *hdev)
> debugfs_create_u32("vote_off_ms", mode, ibs_dir, &qca->vote_off_ms);
>
> /* read/write */
> - mode = S_IRUGO | S_IWUSR;
> + mode = 0644;
> debugfs_create_u32("wake_retrans", mode, ibs_dir, &qca->wake_retrans);
> debugfs_create_u32("tx_idle_delay", mode, ibs_dir,
> &qca->tx_idle_delay);
> @@ -1215,6 +1215,7 @@ static int qca_recv(struct hci_uart *hu, const void *data, int count)
> qca_recv_pkts, ARRAY_SIZE(qca_recv_pkts));
> if (IS_ERR(qca->rx_skb)) {
> int err = PTR_ERR(qca->rx_skb);
> +

This omitted empty line was intentional btw.

> bt_dev_err(hu->hdev, "Frame reassembly failed (%d)", err);
> qca->rx_skb = NULL;
> return err;
> @@ -1302,7 +1303,7 @@ static int qca_set_baudrate(struct hci_dev *hdev, uint8_t baudrate)
>
> /* Give the controller time to process the request */
> if (qca_is_wcn399x(qca_soc_type(hu)))
> - msleep(10);
> + usleep_range(1000, 10000);
> else
> msleep(300);
>
> @@ -1350,7 +1351,7 @@ static int qca_send_power_pulse(struct hci_uart *hu, bool on)
> if (on)
> msleep(100);
> else
> - msleep(10);
> + usleep_range(1000, 10000);

Regards

Marcel

2020-11-10 13:26:30

by Nigel Christian

[permalink] [raw]
Subject: Re: [PATCH] Bluetooth: hci_qca: resolve various warnings

On Mon, Nov 09, 2020 at 01:45:34PM +0100, Marcel Holtmann wrote:
> Hi Nigel,
>
> > Use template string as opposed to function name. Add a blank
> > line after declaration to improve readability. Replace symbolic
> > permissions with octal values. Use usleep_range for small msec
> > values due to the fact that msleep() less than 20ms may have
> > unexpected behavior/sleep longer. This patch removes all
> > checkpatch warnings.
> >
> > - https://lkml.org/lkml/2016/8/2/1945
> > - Documentation/timers/timers-howto.rst
> >
> > Signed-off-by: Nigel Christian <[email protected]>
> > ---
> > drivers/bluetooth/hci_qca.c | 11 ++++++-----
> > 1 file changed, 6 insertions(+), 5 deletions(-)
> >
> > diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
> > index 2d3f1f179a1e..22da59d8f471 100644
> > --- a/drivers/bluetooth/hci_qca.c
> > +++ b/drivers/bluetooth/hci_qca.c
> > @@ -555,7 +555,7 @@ static int qca_open(struct hci_uart *hu)
> > struct qca_serdev *qcadev;
> > struct qca_data *qca;
> >
> > - BT_DBG("hu %p qca_open", hu);
> > + BT_DBG("hu %p %s", hu, __func__);
>
> please clean up your patch before submitting it. This change does not belong
> here.
>
> > if (!hci_uart_has_flow_control(hu))
> > return -EOPNOTSUPP;
> > @@ -631,7 +631,7 @@ static void qca_debugfs_init(struct hci_dev *hdev)
> > ibs_dir = debugfs_create_dir("ibs", hdev->debugfs);
> >
> > /* read only */
> > - mode = S_IRUGO;
> > + mode = 0444;
> > debugfs_create_u8("tx_ibs_state", mode, ibs_dir, &qca->tx_ibs_state);
> > debugfs_create_u8("rx_ibs_state", mode, ibs_dir, &qca->rx_ibs_state);
> > debugfs_create_u64("ibs_sent_sleeps", mode, ibs_dir,
> > @@ -658,7 +658,7 @@ static void qca_debugfs_init(struct hci_dev *hdev)
> > debugfs_create_u32("vote_off_ms", mode, ibs_dir, &qca->vote_off_ms);
> >
> > /* read/write */
> > - mode = S_IRUGO | S_IWUSR;
> > + mode = 0644;
> > debugfs_create_u32("wake_retrans", mode, ibs_dir, &qca->wake_retrans);
> > debugfs_create_u32("tx_idle_delay", mode, ibs_dir,
> > &qca->tx_idle_delay);
> > @@ -1215,6 +1215,7 @@ static int qca_recv(struct hci_uart *hu, const void *data, int count)
> > qca_recv_pkts, ARRAY_SIZE(qca_recv_pkts));
> > if (IS_ERR(qca->rx_skb)) {
> > int err = PTR_ERR(qca->rx_skb);
> > +
>
> This omitted empty line was intentional btw.
>
> > bt_dev_err(hu->hdev, "Frame reassembly failed (%d)", err);
> > qca->rx_skb = NULL;
> > return err;
> > @@ -1302,7 +1303,7 @@ static int qca_set_baudrate(struct hci_dev *hdev, uint8_t baudrate)
> >
> > /* Give the controller time to process the request */
> > if (qca_is_wcn399x(qca_soc_type(hu)))
> > - msleep(10);
> > + usleep_range(1000, 10000);
> > else
> > msleep(300);
> >
> > @@ -1350,7 +1351,7 @@ static int qca_send_power_pulse(struct hci_uart *hu, bool on)
> > if (on)
> > msleep(100);
> > else
> > - msleep(10);
> > + usleep_range(1000, 10000);
>
> Regards
>
> Marcel
>

Sure, will clean up and resend. Thanks for checking on this!