diff options
| -rw-r--r-- | drivers/misc/cros_ec.c | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/drivers/misc/cros_ec.c b/drivers/misc/cros_ec.c index 5682d39..a4bdb23 100644 --- a/drivers/misc/cros_ec.c +++ b/drivers/misc/cros_ec.c @@ -21,6 +21,7 @@ #include <fdtdec.h> #include <malloc.h> #include <spi.h> +#include <asm/errno.h> #include <asm/io.h> #include <asm-generic/gpio.h> @@ -298,7 +299,7 @@ static int ec_command_inptr(struct cros_ec_dev *dev, uint8_t cmd, int cmd_version, const void *dout, int dout_len, uint8_t **dinp, int din_len) { - uint8_t *din; + uint8_t *din = NULL; int len; len = send_command(dev, cmd, cmd_version, dout, dout_len, @@ -306,7 +307,7 @@ static int ec_command_inptr(struct cros_ec_dev *dev, uint8_t cmd, /* If the command doesn't complete, wait a while */ if (len == -EC_RES_IN_PROGRESS) { - struct ec_response_get_comms_status *resp; + struct ec_response_get_comms_status *resp = NULL; ulong start; /* Wait for command to complete */ @@ -334,7 +335,8 @@ static int ec_command_inptr(struct cros_ec_dev *dev, uint8_t cmd, NULL, 0, &din, din_len); } - debug("%s: len=%d, dinp=%p, *dinp=%p\n", __func__, len, dinp, *dinp); + debug("%s: len=%d, dinp=%p, *dinp=%p\n", __func__, len, dinp, + dinp ? *dinp : NULL); if (dinp) { /* If we have any data to return, it must be 64bit-aligned */ assert(len <= 0 || !((uintptr_t)din & 7)); @@ -386,7 +388,7 @@ static int ec_command(struct cros_ec_dev *dev, uint8_t cmd, int cmd_version, int cros_ec_scan_keyboard(struct cros_ec_dev *dev, struct mbkp_keyscan *scan) { if (ec_command(dev, EC_CMD_MKBP_STATE, 0, NULL, 0, scan, - sizeof(scan->data)) < sizeof(scan->data)) + sizeof(scan->data)) != sizeof(scan->data)) return -1; return 0; @@ -397,10 +399,10 @@ int cros_ec_read_id(struct cros_ec_dev *dev, char *id, int maxlen) struct ec_response_get_version *r; if (ec_command_inptr(dev, EC_CMD_GET_VERSION, 0, NULL, 0, - (uint8_t **)&r, sizeof(*r)) < sizeof(*r)) + (uint8_t **)&r, sizeof(*r)) != sizeof(*r)) return -1; - if (maxlen > sizeof(r->version_string_ro)) + if (maxlen > (int)sizeof(r->version_string_ro)) maxlen = sizeof(r->version_string_ro); switch (r->current_image) { @@ -423,7 +425,7 @@ int cros_ec_read_version(struct cros_ec_dev *dev, { if (ec_command_inptr(dev, EC_CMD_GET_VERSION, 0, NULL, 0, (uint8_t **)versionp, sizeof(**versionp)) - < sizeof(**versionp)) + != sizeof(**versionp)) return -1; return 0; @@ -444,7 +446,7 @@ int cros_ec_read_current_image(struct cros_ec_dev *dev, struct ec_response_get_version *r; if (ec_command_inptr(dev, EC_CMD_GET_VERSION, 0, NULL, 0, - (uint8_t **)&r, sizeof(*r)) < sizeof(*r)) + (uint8_t **)&r, sizeof(*r)) != sizeof(*r)) return -1; *image = r->current_image; @@ -578,7 +580,7 @@ int cros_ec_interrupt_pending(struct cros_ec_dev *dev) { /* no interrupt support : always poll */ if (!fdt_gpio_isvalid(&dev->ec_int)) - return 1; + return -ENOENT; return !gpio_get_value(dev->ec_int.gpio); } @@ -586,7 +588,7 @@ int cros_ec_interrupt_pending(struct cros_ec_dev *dev) int cros_ec_info(struct cros_ec_dev *dev, struct ec_response_mkbp_info *info) { if (ec_command(dev, EC_CMD_MKBP_INFO, 0, NULL, 0, info, - sizeof(*info)) < sizeof(*info)) + sizeof(*info)) != sizeof(*info)) return -1; return 0; @@ -601,7 +603,7 @@ int cros_ec_get_host_events(struct cros_ec_dev *dev, uint32_t *events_ptr) * used by ACPI/SMI. */ if (ec_command_inptr(dev, EC_CMD_HOST_EVENT_GET_B, 0, NULL, 0, - (uint8_t **)&resp, sizeof(*resp)) < sizeof(*resp)) + (uint8_t **)&resp, sizeof(*resp)) < (int)sizeof(*resp)) return -1; if (resp->mask & EC_HOST_EVENT_MASK(EC_HOST_EVENT_INVALID)) @@ -639,7 +641,7 @@ int cros_ec_flash_protect(struct cros_ec_dev *dev, if (ec_command(dev, EC_CMD_FLASH_PROTECT, EC_VER_FLASH_PROTECT, ¶ms, sizeof(params), - resp, sizeof(*resp)) < sizeof(*resp)) + resp, sizeof(*resp)) != sizeof(*resp)) return -1; return 0; @@ -889,7 +891,7 @@ int cros_ec_flash_update_rw(struct cros_ec_dev *dev, if (cros_ec_flash_offset(dev, EC_FLASH_REGION_RW, &rw_offset, &rw_size)) return -1; - if (image_size > rw_size) + if (image_size > (int)rw_size) return -1; /* Invalidate the existing hash, just in case the AP reboots @@ -975,7 +977,7 @@ int cros_ec_get_ldo(struct cros_ec_dev *dev, uint8_t index, uint8_t *state) if (ec_command_inptr(dev, EC_CMD_LDO_GET, 0, ¶ms, sizeof(params), - (uint8_t **)&resp, sizeof(*resp)) < sizeof(*resp)) + (uint8_t **)&resp, sizeof(*resp)) != sizeof(*resp)) return -1; *state = resp->state; @@ -1436,10 +1438,10 @@ static int do_cros_ec(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) if (!ret) { /* Print versions */ printf("RO version: %1.*s\n", - sizeof(p->version_string_ro), + (int)sizeof(p->version_string_ro), p->version_string_ro); printf("RW version: %1.*s\n", - sizeof(p->version_string_rw), + (int)sizeof(p->version_string_rw), p->version_string_rw); printf("Firmware copy: %s\n", (p->current_image < |