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>
This commit is contained in:
Frank Jungclaus 2023-05-23 19:31:04 +02:00 committed by Marc Kleine-Budde
parent b74c3abf99
commit 33665fdbd7

View File

@ -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 */