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authorDave Airlie <airlied@redhat.com>2010-09-24 01:37:33 -0400
committerDave Airlie <airlied@redhat.com>2010-09-24 01:37:33 -0400
commit4a445f291ac3faa08f56eaeb6e44856b6b72b74c (patch)
treeb66cc93311dc4c623113a87aa9b40730a21ac18e /drivers/mtd/nand
parentcbc60ca04b342a4e1f2a1086a7277c077f07dbed (diff)
parenta850ea30374ebed32a0724742601861853fde869 (diff)
Merge remote branch 'origin/master' of /home/airlied/kernel//linux-2.6 into drm-core-next
Diffstat (limited to 'drivers/mtd/nand')
-rw-r--r--drivers/mtd/nand/bf5xx_nand.c9
-rw-r--r--drivers/mtd/nand/mxc_nand.c47
-rw-r--r--drivers/mtd/nand/pxa3xx_nand.c6
3 files changed, 34 insertions, 28 deletions
diff --git a/drivers/mtd/nand/bf5xx_nand.c b/drivers/mtd/nand/bf5xx_nand.c
index a382e3dd0a5d..6fbeefa3a766 100644
--- a/drivers/mtd/nand/bf5xx_nand.c
+++ b/drivers/mtd/nand/bf5xx_nand.c
@@ -682,7 +682,6 @@ static int __devinit bf5xx_nand_add_partition(struct bf5xx_nand_info *info)
682static int __devexit bf5xx_nand_remove(struct platform_device *pdev) 682static int __devexit bf5xx_nand_remove(struct platform_device *pdev)
683{ 683{
684 struct bf5xx_nand_info *info = to_nand_info(pdev); 684 struct bf5xx_nand_info *info = to_nand_info(pdev);
685 struct mtd_info *mtd = NULL;
686 685
687 platform_set_drvdata(pdev, NULL); 686 platform_set_drvdata(pdev, NULL);
688 687
@@ -690,11 +689,7 @@ static int __devexit bf5xx_nand_remove(struct platform_device *pdev)
690 * and their partitions, then go through freeing the 689 * and their partitions, then go through freeing the
691 * resources used 690 * resources used
692 */ 691 */
693 mtd = &info->mtd; 692 nand_release(&info->mtd);
694 if (mtd) {
695 nand_release(mtd);
696 kfree(mtd);
697 }
698 693
699 peripheral_free_list(bfin_nfc_pin_req); 694 peripheral_free_list(bfin_nfc_pin_req);
700 bf5xx_nand_dma_remove(info); 695 bf5xx_nand_dma_remove(info);
@@ -710,7 +705,7 @@ static int bf5xx_nand_scan(struct mtd_info *mtd)
710 struct nand_chip *chip = mtd->priv; 705 struct nand_chip *chip = mtd->priv;
711 int ret; 706 int ret;
712 707
713 ret = nand_scan_ident(mtd, 1); 708 ret = nand_scan_ident(mtd, 1, NULL);
714 if (ret) 709 if (ret)
715 return ret; 710 return ret;
716 711
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index fcf8ceb277d4..b2828e84d243 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -67,7 +67,9 @@
67#define NFC_V1_V2_CONFIG1_BIG (1 << 5) 67#define NFC_V1_V2_CONFIG1_BIG (1 << 5)
68#define NFC_V1_V2_CONFIG1_RST (1 << 6) 68#define NFC_V1_V2_CONFIG1_RST (1 << 6)
69#define NFC_V1_V2_CONFIG1_CE (1 << 7) 69#define NFC_V1_V2_CONFIG1_CE (1 << 7)
70#define NFC_V1_V2_CONFIG1_ONE_CYCLE (1 << 8) 70#define NFC_V2_CONFIG1_ONE_CYCLE (1 << 8)
71#define NFC_V2_CONFIG1_PPB(x) (((x) & 0x3) << 9)
72#define NFC_V2_CONFIG1_FP_INT (1 << 11)
71 73
72#define NFC_V1_V2_CONFIG2_INT (1 << 15) 74#define NFC_V1_V2_CONFIG2_INT (1 << 15)
73 75
@@ -402,16 +404,16 @@ static void send_read_id_v1_v2(struct mxc_nand_host *host)
402 /* Wait for operation to complete */ 404 /* Wait for operation to complete */
403 wait_op_done(host, true); 405 wait_op_done(host, true);
404 406
407 memcpy(host->data_buf, host->main_area0, 16);
408
405 if (this->options & NAND_BUSWIDTH_16) { 409 if (this->options & NAND_BUSWIDTH_16) {
406 void __iomem *main_buf = host->main_area0;
407 /* compress the ID info */ 410 /* compress the ID info */
408 writeb(readb(main_buf + 2), main_buf + 1); 411 host->data_buf[1] = host->data_buf[2];
409 writeb(readb(main_buf + 4), main_buf + 2); 412 host->data_buf[2] = host->data_buf[4];
410 writeb(readb(main_buf + 6), main_buf + 3); 413 host->data_buf[3] = host->data_buf[6];
411 writeb(readb(main_buf + 8), main_buf + 4); 414 host->data_buf[4] = host->data_buf[8];
412 writeb(readb(main_buf + 10), main_buf + 5); 415 host->data_buf[5] = host->data_buf[10];
413 } 416 }
414 memcpy(host->data_buf, host->main_area0, 16);
415} 417}
416 418
417static uint16_t get_dev_status_v3(struct mxc_nand_host *host) 419static uint16_t get_dev_status_v3(struct mxc_nand_host *host)
@@ -729,27 +731,30 @@ static void preset_v1_v2(struct mtd_info *mtd)
729{ 731{
730 struct nand_chip *nand_chip = mtd->priv; 732 struct nand_chip *nand_chip = mtd->priv;
731 struct mxc_nand_host *host = nand_chip->priv; 733 struct mxc_nand_host *host = nand_chip->priv;
732 uint16_t tmp; 734 uint16_t config1 = 0;
733 735
734 /* enable interrupt, disable spare enable */ 736 if (nand_chip->ecc.mode == NAND_ECC_HW)
735 tmp = readw(NFC_V1_V2_CONFIG1); 737 config1 |= NFC_V1_V2_CONFIG1_ECC_EN;
736 tmp &= ~NFC_V1_V2_CONFIG1_INT_MSK; 738
737 tmp &= ~NFC_V1_V2_CONFIG1_SP_EN; 739 if (nfc_is_v21())
738 if (nand_chip->ecc.mode == NAND_ECC_HW) { 740 config1 |= NFC_V2_CONFIG1_FP_INT;
739 tmp |= NFC_V1_V2_CONFIG1_ECC_EN; 741
740 } else { 742 if (!cpu_is_mx21())
741 tmp &= ~NFC_V1_V2_CONFIG1_ECC_EN; 743 config1 |= NFC_V1_V2_CONFIG1_INT_MSK;
742 }
743 744
744 if (nfc_is_v21() && mtd->writesize) { 745 if (nfc_is_v21() && mtd->writesize) {
746 uint16_t pages_per_block = mtd->erasesize / mtd->writesize;
747
745 host->eccsize = get_eccsize(mtd); 748 host->eccsize = get_eccsize(mtd);
746 if (host->eccsize == 4) 749 if (host->eccsize == 4)
747 tmp |= NFC_V2_CONFIG1_ECC_MODE_4; 750 config1 |= NFC_V2_CONFIG1_ECC_MODE_4;
751
752 config1 |= NFC_V2_CONFIG1_PPB(ffs(pages_per_block) - 6);
748 } else { 753 } else {
749 host->eccsize = 1; 754 host->eccsize = 1;
750 } 755 }
751 756
752 writew(tmp, NFC_V1_V2_CONFIG1); 757 writew(config1, NFC_V1_V2_CONFIG1);
753 /* preset operation */ 758 /* preset operation */
754 759
755 /* Unlock the internal RAM Buffer */ 760 /* Unlock the internal RAM Buffer */
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index 4d89f3780207..4d01cda68844 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -1320,6 +1320,7 @@ static int pxa3xx_nand_probe(struct platform_device *pdev)
1320 goto fail_free_irq; 1320 goto fail_free_irq;
1321 } 1321 }
1322 1322
1323#ifdef CONFIG_MTD_PARTITIONS
1323 if (mtd_has_cmdlinepart()) { 1324 if (mtd_has_cmdlinepart()) {
1324 static const char *probes[] = { "cmdlinepart", NULL }; 1325 static const char *probes[] = { "cmdlinepart", NULL };
1325 struct mtd_partition *parts; 1326 struct mtd_partition *parts;
@@ -1332,6 +1333,9 @@ static int pxa3xx_nand_probe(struct platform_device *pdev)
1332 } 1333 }
1333 1334
1334 return add_mtd_partitions(mtd, pdata->parts, pdata->nr_parts); 1335 return add_mtd_partitions(mtd, pdata->parts, pdata->nr_parts);
1336#else
1337 return 0;
1338#endif
1335 1339
1336fail_free_irq: 1340fail_free_irq:
1337 free_irq(irq, info); 1341 free_irq(irq, info);
@@ -1364,7 +1368,9 @@ static int pxa3xx_nand_remove(struct platform_device *pdev)
1364 platform_set_drvdata(pdev, NULL); 1368 platform_set_drvdata(pdev, NULL);
1365 1369
1366 del_mtd_device(mtd); 1370 del_mtd_device(mtd);
1371#ifdef CONFIG_MTD_PARTITIONS
1367 del_mtd_partitions(mtd); 1372 del_mtd_partitions(mtd);
1373#endif
1368 irq = platform_get_irq(pdev, 0); 1374 irq = platform_get_irq(pdev, 0);
1369 if (irq >= 0) 1375 if (irq >= 0)
1370 free_irq(irq, info); 1376 free_irq(irq, info);