diff options
author | Tomas Winkler <tomas.winkler@intel.com> | 2018-07-23 13:21:22 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-07-24 14:16:57 +0200 |
commit | 9fc5f0f8ad28405145b30fd3b905e368063ee14c (patch) | |
tree | 27822d572c0e2844039967fe38046a606d49df06 /drivers/misc | |
parent | 670d198b61ebfb4c9b13e50dccbd904a62ae593c (diff) |
mei: cleanup slots to data conversions
Cleanup conversions between slots and data.
Define MEI_SLOT_SIZE instead of using 4 or sizeof(u32) across
the source code.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc')
-rw-r--r-- | drivers/misc/mei/client.c | 2 | ||||
-rw-r--r-- | drivers/misc/mei/hw-me.c | 8 | ||||
-rw-r--r-- | drivers/misc/mei/hw-txe.c | 8 | ||||
-rw-r--r-- | drivers/misc/mei/mei_dev.h | 8 |
4 files changed, 14 insertions, 12 deletions
diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c index 5a673d09585f..79e200d71652 100644 --- a/drivers/misc/mei/client.c +++ b/drivers/misc/mei/client.c @@ -1597,7 +1597,7 @@ int mei_cl_irq_write(struct mei_cl *cl, struct mei_cl_cb *cb, /* Split the message only if we can write the whole host buffer */ } else if ((u32)slots == dev->hbuf_depth) { msg_slots = slots; - len = (slots * sizeof(u32)) - sizeof(struct mei_msg_hdr); + len = mei_slots2data(slots) - sizeof(struct mei_msg_hdr); mei_hdr.length = len; mei_hdr.msg_complete = 0; } else { diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c index 5bbea13ab171..016b7c956f18 100644 --- a/drivers/misc/mei/hw-me.c +++ b/drivers/misc/mei/hw-me.c @@ -511,7 +511,7 @@ static int mei_me_hbuf_empty_slots(struct mei_device *dev) */ static size_t mei_me_hbuf_max_len(const struct mei_device *dev) { - return dev->hbuf_depth * sizeof(u32) - sizeof(struct mei_msg_hdr); + return mei_slots2data(dev->hbuf_depth) - sizeof(struct mei_msg_hdr); } @@ -549,7 +549,7 @@ static int mei_me_hbuf_write(struct mei_device *dev, mei_me_hcbww_write(dev, *((u32 *) header)); - for (i = 0; i < length / 4; i++) + for (i = 0; i < length / MEI_SLOT_SIZE; i++) mei_me_hcbww_write(dev, reg_buf[i]); rem = length & 0x3; @@ -604,11 +604,11 @@ static int mei_me_count_full_read_slots(struct mei_device *dev) * Return: always 0 */ static int mei_me_read_slots(struct mei_device *dev, unsigned char *buffer, - unsigned long buffer_length) + unsigned long buffer_length) { u32 *reg_buf = (u32 *)buffer; - for (; buffer_length >= sizeof(u32); buffer_length -= sizeof(u32)) + for (; buffer_length >= MEI_SLOT_SIZE; buffer_length -= MEI_SLOT_SIZE) *reg_buf++ = mei_me_mecbrw_read(dev); if (buffer_length > 0) { diff --git a/drivers/misc/mei/hw-txe.c b/drivers/misc/mei/hw-txe.c index a5e551ffb2dd..0facd823634e 100644 --- a/drivers/misc/mei/hw-txe.c +++ b/drivers/misc/mei/hw-txe.c @@ -682,7 +682,7 @@ static void mei_txe_hw_config(struct mei_device *dev) struct mei_txe_hw *hw = to_txe_hw(dev); /* Doesn't change in runtime */ - dev->hbuf_depth = PAYLOAD_SIZE / 4; + dev->hbuf_depth = PAYLOAD_SIZE / MEI_SLOT_SIZE; hw->aliveness = mei_txe_aliveness_get(dev); hw->readiness = mei_txe_readiness_get(dev); @@ -766,7 +766,7 @@ static int mei_txe_write(struct mei_device *dev, * * @dev: the device structure * - * Return: the PAYLOAD_SIZE - 4 + * Return: the PAYLOAD_SIZE - header size */ static size_t mei_txe_hbuf_max_len(const struct mei_device *dev) { @@ -797,7 +797,7 @@ static int mei_txe_hbuf_empty_slots(struct mei_device *dev) static int mei_txe_count_full_read_slots(struct mei_device *dev) { /* read buffers has static size */ - return PAYLOAD_SIZE / 4; + return PAYLOAD_SIZE / MEI_SLOT_SIZE; } /** @@ -839,7 +839,7 @@ static int mei_txe_read(struct mei_device *dev, dev_dbg(dev->dev, "buffer-length = %lu buf[0]0x%08X\n", len, mei_txe_out_data_read(dev, 0)); - for (i = 0; i < len / 4; i++) { + for (i = 0; i < len / MEI_SLOT_SIZE; i++) { /* skip header: index starts from 1 */ reg = mei_txe_out_data_read(dev, i + 1); dev_dbg(dev->dev, "buf[%d] = 0x%08X\n", i, reg); diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h index d522585b71b7..897126dca5d0 100644 --- a/drivers/misc/mei/mei_dev.h +++ b/drivers/misc/mei/mei_dev.h @@ -26,7 +26,9 @@ #include "hw.h" #include "hbm.h" -#define MEI_RD_MSG_BUF_SIZE (128 * sizeof(u32)) +#define MEI_SLOT_SIZE sizeof(u32) +#define MEI_RD_MSG_BUF_SIZE (128 * MEI_SLOT_SIZE) + /* * Number of Maximum MEI Clients @@ -540,7 +542,7 @@ static inline unsigned long mei_secs_to_jiffies(unsigned long sec) */ static inline u32 mei_data2slots(size_t length) { - return DIV_ROUND_UP(sizeof(struct mei_msg_hdr) + length, 4); + return DIV_ROUND_UP(sizeof(struct mei_msg_hdr) + length, MEI_SLOT_SIZE); } /** @@ -552,7 +554,7 @@ static inline u32 mei_data2slots(size_t length) */ static inline u32 mei_slots2data(int slots) { - return slots * 4; + return slots * MEI_SLOT_SIZE; } /* |