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authorFrank Jungclaus <frank.jungclaus@esd.eu>2023-05-23 19:31:04 +0200
committerMarc Kleine-Budde <mkl@pengutronix.de>2023-06-22 09:40:34 +0200
commit33665fdbd7ff825f2c7369524f0d985707e9f029 (patch)
tree4260b0fbdbc8214bb6dafdfc8e766e968b5e07a9 /drivers/net/can
parentb74c3abf99804620c44a7623fd4d89396c87a064 (diff)
can: esd_usb: Make use of kernel macros BIT() and GENMASK()
Make use of kernel macros BIT() and GENMASK(). Signed-off-by: Frank Jungclaus <frank.jungclaus@esd.eu> Link: https://lore.kernel.org/r/20230523173105.3175086-2-frank.jungclaus@esd.eu Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'drivers/net/can')
-rw-r--r--drivers/net/can/usb/esd_usb.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/drivers/net/can/usb/esd_usb.c b/drivers/net/can/usb/esd_usb.c
index 1399b832ea3f..d40a04db7458 100644
--- a/drivers/net/can/usb/esd_usb.c
+++ b/drivers/net/can/usb/esd_usb.c
@@ -67,23 +67,23 @@ MODULE_LICENSE("GPL v2");
#define ESD_USB_TRIPLE_SAMPLES BIT(23)
/* esd IDADD message */
-#define ESD_USB_ID_ENABLE 0x80
+#define ESD_USB_ID_ENABLE BIT(7)
#define ESD_USB_MAX_ID_SEGMENT 64
/* SJA1000 ECC register (emulated by usb firmware) */
-#define ESD_USB_SJA1000_ECC_SEG 0x1F
-#define ESD_USB_SJA1000_ECC_DIR 0x20
-#define ESD_USB_SJA1000_ECC_ERR 0x06
+#define ESD_USB_SJA1000_ECC_SEG GENMASK(4, 0)
+#define ESD_USB_SJA1000_ECC_DIR BIT(5)
+#define ESD_USB_SJA1000_ECC_ERR BIT(2, 1)
#define ESD_USB_SJA1000_ECC_BIT 0x00
-#define ESD_USB_SJA1000_ECC_FORM 0x40
-#define ESD_USB_SJA1000_ECC_STUFF 0x80
-#define ESD_USB_SJA1000_ECC_MASK 0xc0
+#define ESD_USB_SJA1000_ECC_FORM BIT(6)
+#define ESD_USB_SJA1000_ECC_STUFF BIT(7)
+#define ESD_USB_SJA1000_ECC_MASK GENMASK(7, 6)
/* esd bus state event codes */
-#define ESD_USB_BUSSTATE_MASK 0xc0
-#define ESD_USB_BUSSTATE_WARN 0x40
-#define ESD_USB_BUSSTATE_ERRPASSIVE 0x80
-#define ESD_USB_BUSSTATE_BUSOFF 0xc0
+#define ESD_USB_BUSSTATE_MASK GENMASK(7, 6)
+#define ESD_USB_BUSSTATE_WARN BIT(6)
+#define ESD_USB_BUSSTATE_ERRPASSIVE BIT(7)
+#define ESD_USB_BUSSTATE_BUSOFF GENMASK(7, 6)
#define ESD_USB_RX_BUFFER_SIZE 1024
#define ESD_USB_MAX_RX_URBS 4
@@ -652,9 +652,9 @@ static int esd_usb_start(struct esd_usb_net_priv *priv)
msg->filter.net = priv->index;
msg->filter.option = ESD_USB_ID_ENABLE; /* start with segment 0 */
for (i = 0; i < ESD_USB_MAX_ID_SEGMENT; i++)
- msg->filter.mask[i] = cpu_to_le32(0xffffffff);
+ msg->filter.mask[i] = cpu_to_le32(GENMASK(31, 0));
/* enable 29bit extended IDs */
- msg->filter.mask[ESD_USB_MAX_ID_SEGMENT] = cpu_to_le32(0x00000001);
+ msg->filter.mask[ESD_USB_MAX_ID_SEGMENT] = cpu_to_le32(BIT(0));
err = esd_usb_send_msg(dev, msg);
if (err)
@@ -796,7 +796,7 @@ static netdev_tx_t esd_usb_start_xmit(struct sk_buff *skb,
context->echo_index = i;
/* hnd must not be 0 - MSB is stripped in txdone handling */
- msg->tx.hnd = 0x80000000 | i; /* returned in TX done message */
+ msg->tx.hnd = BIT(31) | i; /* returned in TX done message */
usb_fill_bulk_urb(urb, dev->udev, usb_sndbulkpipe(dev->udev, 2), buf,
msg->hdr.len * sizeof(u32), /* convert to # of bytes */