diff options
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/spi-nor/fsl-quadspi.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/mtd/spi-nor/fsl-quadspi.c b/drivers/mtd/spi-nor/fsl-quadspi.c index 9d608007..a46bea3 100644 --- a/drivers/mtd/spi-nor/fsl-quadspi.c +++ b/drivers/mtd/spi-nor/fsl-quadspi.c @@ -227,6 +227,7 @@ struct fsl_qspi { u32 nor_num; u32 clk_rate; unsigned int chip_base_addr; /* We may support two chips. */ + bool has_second_chip; }; static inline int is_vybrid_qspi(struct fsl_qspi *q) @@ -783,7 +784,6 @@ static int fsl_qspi_probe(struct platform_device *pdev) struct spi_nor *nor; struct mtd_info *mtd; int ret, i = 0; - bool has_second_chip = false; const struct of_device_id *of_id = of_match_device(fsl_qspi_dt_ids, &pdev->dev); @@ -860,14 +860,14 @@ static int fsl_qspi_probe(struct platform_device *pdev) goto irq_failed; if (of_get_property(np, "fsl,qspi-has-second-chip", NULL)) - has_second_chip = true; + q->has_second_chip = true; /* iterate the subnodes. */ for_each_available_child_of_node(dev->of_node, np) { char modalias[40]; /* skip the holes */ - if (!has_second_chip) + if (!q->has_second_chip) i *= 2; nor = &q->nor[i]; @@ -943,9 +943,12 @@ static int fsl_qspi_probe(struct platform_device *pdev) return 0; last_init_failed: - for (i = 0; i < q->nor_num; i++) + for (i = 0; i < q->nor_num; i++) { + /* skip the holes */ + if (!q->has_second_chip) + i *= 2; mtd_device_unregister(&q->mtd[i]); - + } irq_failed: clk_disable_unprepare(q->clk); clk_failed: @@ -960,8 +963,12 @@ static int fsl_qspi_remove(struct platform_device *pdev) struct fsl_qspi *q = platform_get_drvdata(pdev); int i; - for (i = 0; i < q->nor_num; i++) + for (i = 0; i < q->nor_num; i++) { + /* skip the holes */ + if (!q->has_second_chip) + i *= 2; mtd_device_unregister(&q->mtd[i]); + } /* disable the hardware */ writel(QUADSPI_MCR_MDIS_MASK, q->iobase + QUADSPI_MCR); |