static u32 zorro_esp_dma_length_limit(struct esp *esp, u32 dma_addr,
u32 dma_len)
{
- return dma_len > 0xFFFF ? 0xFFFF : dma_len;
+ return dma_len > (1U << 16) ? (1U << 16) : dma_len;
+}
+
+static u32 fastlane_esp_dma_length_limit(struct esp *esp, u32 dma_addr,
+ u32 dma_len)
+{
+ /* The old driver used 0xfffc as limit, so do that here too */
+ return dma_len > 0xfffc ? 0xfffc : dma_len;
}
static void zorro_esp_reset_dma(struct esp *esp)
.unmap_single = zorro_esp_unmap_single,
.unmap_sg = zorro_esp_unmap_sg,
.irq_pending = fastlane_esp_irq_pending,
- .dma_length_limit = zorro_esp_dma_length_limit,
+ .dma_length_limit = fastlane_esp_dma_length_limit,
.reset_dma = zorro_esp_reset_dma,
.dma_drain = zorro_esp_dma_drain,
.dma_invalidate = fastlane_esp_dma_invalidate,