diff options
Diffstat (limited to 'drivers/fpga/altera-cvp.c')
| -rw-r--r-- | drivers/fpga/altera-cvp.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/fpga/altera-cvp.c b/drivers/fpga/altera-cvp.c index 5af0bd33890c..e2a2307a41ee 100644 --- a/drivers/fpga/altera-cvp.c +++ b/drivers/fpga/altera-cvp.c @@ -16,6 +16,7 @@ #include <linux/module.h> #include <linux/pci.h> #include <linux/sizes.h> +#include <linux/string.h> #define CVP_BAR 0 /* BAR used for data transfer in memory mode */ #define CVP_DUMMY_WR 244 /* dummy writes to clear CvP state machine */ @@ -264,7 +265,7 @@ static int altera_cvp_v2_wait_for_credit(struct fpga_manager *mgr, static int altera_cvp_send_block(struct altera_cvp_conf *conf, const u32 *data, size_t len) { - u32 mask, words = len / sizeof(u32); + u32 words = len / sizeof(u32); int i, remainder; for (i = 0; i < words; i++) @@ -273,9 +274,10 @@ static int altera_cvp_send_block(struct altera_cvp_conf *conf, /* write up to 3 trailing bytes, if any */ remainder = len % sizeof(u32); if (remainder) { - mask = BIT(remainder * 8) - 1; - if (mask) - conf->write_data(conf, *data & mask); + u32 word = 0; + + memcpy(&word, data, remainder); + conf->write_data(conf, word); } return 0; |