diff options
Diffstat (limited to 'drivers/scsi/smartpqi')
| -rw-r--r-- | drivers/scsi/smartpqi/smartpqi_init.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index de33942860b3..6f31cd96e521 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -48,6 +48,8 @@ #define DRIVER_NAME "Microsemi PQI Driver (v" DRIVER_VERSION ")" #define DRIVER_NAME_SHORT "smartpqi" +#define PQI_EXTRA_SGL_MEMORY (12 * sizeof(struct pqi_sg_descriptor)) + MODULE_AUTHOR("Microsemi"); MODULE_DESCRIPTION("Driver for Microsemi Smart Family Controller version " DRIVER_VERSION); @@ -3202,6 +3204,8 @@ static int pqi_alloc_operational_queues(struct pqi_ctrl_info *ctrl_info) alloc_length = (size_t)aligned_pointer + PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT; + alloc_length += PQI_EXTRA_SGL_MEMORY; + ctrl_info->queue_memory_base = dma_zalloc_coherent(&ctrl_info->pci_dev->dev, alloc_length, @@ -4319,7 +4323,8 @@ static void pqi_calculate_io_resources(struct pqi_ctrl_info *ctrl_info) max_transfer_size = (max_sg_entries - 1) * PAGE_SIZE; ctrl_info->sg_chain_buffer_length = - max_sg_entries * sizeof(struct pqi_sg_descriptor); + (max_sg_entries * sizeof(struct pqi_sg_descriptor)) + + PQI_EXTRA_SGL_MEMORY; ctrl_info->sg_tablesize = max_sg_entries; ctrl_info->max_sectors = max_transfer_size / 512; } |