diff mbox series

[v7,7/9] mmc: mmci: Use state machine state as exit condition

Message ID 20230405-pl180-busydetect-fix-v7-7-69a7164f2a61@linaro.org
State Superseded
Headers show
Series Fix busydetect on Ux500 PL180/MMCI | expand

Commit Message

Linus Walleij June 16, 2023, 8:42 p.m. UTC 
Return true if and only if we reached the state
MMCI_BUSY_DONE in the ux500 ->busy_complete() callback.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
ChangeLog v6->v7:
- No changes.
ChangeLog v4->v6:
- No changes.
ChangeLog v3->v4:
- No changes.
ChangeLog v2->v3:
- Rebased.
ChangeLog v1->v2:
- No changes
---
 drivers/mmc/host/mmci.c | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)
diff mbox series

Patch

diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index b38c471a7f8b..f89e4c44ea04 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -683,7 +683,7 @@  static bool ux500_busy_complete(struct mmci_host *host, u32 status, u32 err_msk)
 		       ~host->variant->busy_detect_mask, base + MMCIMASK0);
 		host->busy_state = MMCI_BUSY_DONE;
 		host->busy_status = 0;
-		return true;
+		goto out_ret_state;
 	}
 
 	/*
@@ -713,7 +713,7 @@  static bool ux500_busy_complete(struct mmci_host *host, u32 status, u32 err_msk)
 				       host->variant->busy_detect_mask,
 				       base + MMCIMASK0);
 				host->busy_state = MMCI_BUSY_WAITING_FOR_START_IRQ;
-				return false;
+				goto out_ret_state;
 			}
 			retries--;
 		}
@@ -722,8 +722,7 @@  static bool ux500_busy_complete(struct mmci_host *host, u32 status, u32 err_msk)
 		writel(readl(base + MMCIMASK0) &
 		       ~host->variant->busy_detect_mask, base + MMCIMASK0);
 		host->busy_state = MMCI_BUSY_DONE;
-		host->busy_status = 0;
-		return true;
+		goto out_ret_state;
 	}
 
 	/*
@@ -742,7 +741,7 @@  static bool ux500_busy_complete(struct mmci_host *host, u32 status, u32 err_msk)
 			host->busy_status |= status & (MCI_CMDSENT | MCI_CMDRESPEND);
 			writel(host->variant->busy_detect_mask, base + MMCICLEAR);
 			host->busy_state = MMCI_BUSY_WAITING_FOR_END_IRQ;
-			return false;
+			goto out_ret_state;
 		} else {
 			dev_dbg(mmc_dev(host->mmc),
 				"lost busy status when waiting for busy start IRQ\n");
@@ -751,7 +750,7 @@  static bool ux500_busy_complete(struct mmci_host *host, u32 status, u32 err_msk)
 			       ~host->variant->busy_detect_mask, base + MMCIMASK0);
 			host->busy_state = MMCI_BUSY_DONE;
 			host->busy_status = 0;
-			return true;
+			goto out_ret_state;
 		}
 	}
 
@@ -759,15 +758,18 @@  static bool ux500_busy_complete(struct mmci_host *host, u32 status, u32 err_msk)
 		if (!(status & host->variant->busy_detect_flag)) {
 			host->busy_status |= status & (MCI_CMDSENT | MCI_CMDRESPEND);
 			host->busy_state = MMCI_BUSY_DONE;
-			return true;
+			goto out_ret_state;
 		} else {
 			dev_dbg(mmc_dev(host->mmc),
 				"busy status still asserted when handling busy end IRQ - will keep waiting\n");
-			return false;
+			goto out_ret_state;
 		}
 	}
 
 	return true;
+
+out_ret_state:
+	return (host->busy_state == MMCI_BUSY_DONE);
 }
 
 /*