[PATCH/RFC 6/9] libata: add freeze()/thaw() to old EH LLDDs

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Patch 6/9:
 Since now the polling code path uses freeze()/thaw() regardless of old EH or new EH.
Add freeze()/thaw() to old EH LLDDs for use by the polling code.

Signed-off-by: Albert Lee <albertcc@xxxxxxxxxx>
---

diff -Nrup 05_convert_hsm_to_freeze/drivers/ata/pata_ixp4xx_cf.c 06_add_freeze_thaw_to_lldd/drivers/ata/pata_ixp4xx_cf.c
--- 05_convert_hsm_to_freeze/drivers/ata/pata_ixp4xx_cf.c	2007-06-11 17:09:16.000000000 +0800
+++ 06_add_freeze_thaw_to_lldd/drivers/ata/pata_ixp4xx_cf.c	2007-06-12 14:38:03.000000000 +0800
@@ -131,6 +131,9 @@ static struct ata_port_operations ixp4xx
 	.data_xfer	= ixp4xx_mmio_data_xfer,
 	.cable_detect	= ata_cable_40wire,
 
+	.freeze		= ata_bmdma_freeze,
+	.thaw		= ata_bmdma_thaw,
+
 	.irq_clear	= ixp4xx_irq_clear,
 	.irq_on		= ata_irq_on,
 	.irq_off	= ata_irq_off,
diff -Nrup 05_convert_hsm_to_freeze/drivers/ata/pata_scc.c 06_add_freeze_thaw_to_lldd/drivers/ata/pata_scc.c
--- 05_convert_hsm_to_freeze/drivers/ata/pata_scc.c	2007-06-12 14:58:06.000000000 +0800
+++ 06_add_freeze_thaw_to_lldd/drivers/ata/pata_scc.c	2007-06-12 14:58:15.000000000 +0800
@@ -879,6 +879,18 @@ static void scc_bmdma_freeze (struct ata
 }
 
 /**
+ *	scc_bmdma_thaw - Thaw BMDMA controller port
+ *	@ap: port to thaw
+ *
+ *	Note: Original code is ata_bmdma_thaw().
+ */
+
+static void scc_bmdma_thaw (struct ata_port *ap)
+{
+	scc_irq_on(ap);
+}
+
+/**
  *	scc_pata_prereset - prepare for reset
  *	@ap: ATA port to be reset
  *	@deadline: deadline jiffies for the operation
@@ -1025,6 +1037,7 @@ static const struct ata_port_operations 
 	.qc_issue		= ata_qc_issue_prot,
 
 	.freeze			= scc_bmdma_freeze,
+	.thaw			= scc_bmdma_thaw,
 	.error_handler		= scc_error_handler,
 	.post_internal_cmd	= scc_bmdma_stop,
 
diff -Nrup 05_convert_hsm_to_freeze/drivers/ata/pdc_adma.c 06_add_freeze_thaw_to_lldd/drivers/ata/pdc_adma.c
--- 05_convert_hsm_to_freeze/drivers/ata/pdc_adma.c	2007-06-11 17:21:35.000000000 +0800
+++ 06_add_freeze_thaw_to_lldd/drivers/ata/pdc_adma.c	2007-06-12 14:45:21.000000000 +0800
@@ -171,6 +171,8 @@ static const struct ata_port_operations 
 	.qc_issue		= adma_qc_issue,
 	.eng_timeout		= adma_eng_timeout,
 	.data_xfer		= ata_data_xfer,
+	.freeze			= ata_bmdma_freeze,
+	.thaw			= ata_bmdma_thaw,
 	.irq_clear		= adma_irq_clear,
 	.irq_on			= ata_irq_on,
 	.irq_off		= ata_irq_off,
diff -Nrup 05_convert_hsm_to_freeze/drivers/ata/sata_mv.c 06_add_freeze_thaw_to_lldd/drivers/ata/sata_mv.c
--- 05_convert_hsm_to_freeze/drivers/ata/sata_mv.c	2007-06-11 17:22:29.000000000 +0800
+++ 06_add_freeze_thaw_to_lldd/drivers/ata/sata_mv.c	2007-06-12 14:46:22.000000000 +0800
@@ -453,6 +453,9 @@ static const struct ata_port_operations 
 
 	.eng_timeout		= mv_eng_timeout,
 
+	.freeze			= ata_bmdma_freeze,
+	.thaw			= ata_bmdma_thaw,
+
 	.irq_clear		= mv_irq_clear,
 	.irq_on			= ata_irq_on,
 	.irq_off		= ata_irq_off,
@@ -483,6 +486,9 @@ static const struct ata_port_operations 
 
 	.eng_timeout		= mv_eng_timeout,
 
+	.freeze			= ata_bmdma_freeze,
+	.thaw			= ata_bmdma_thaw,
+
 	.irq_clear		= mv_irq_clear,
 	.irq_on			= ata_irq_on,
 	.irq_off		= ata_irq_off,
@@ -513,6 +519,9 @@ static const struct ata_port_operations 
 
 	.eng_timeout		= mv_eng_timeout,
 
+	.freeze			= ata_bmdma_freeze,
+	.thaw			= ata_bmdma_thaw,
+
 	.irq_clear		= mv_irq_clear,
 	.irq_on			= ata_irq_on,
 	.irq_off		= ata_irq_off,
diff -Nrup 05_convert_hsm_to_freeze/drivers/ata/sata_qstor.c 06_add_freeze_thaw_to_lldd/drivers/ata/sata_qstor.c
--- 05_convert_hsm_to_freeze/drivers/ata/sata_qstor.c	2007-06-11 17:24:00.000000000 +0800
+++ 06_add_freeze_thaw_to_lldd/drivers/ata/sata_qstor.c	2007-06-12 14:46:48.000000000 +0800
@@ -157,6 +157,8 @@ static const struct ata_port_operations 
 	.qc_issue		= qs_qc_issue,
 	.data_xfer		= ata_data_xfer,
 	.eng_timeout		= qs_eng_timeout,
+	.freeze			= ata_bmdma_freeze,
+	.thaw			= ata_bmdma_thaw,
 	.irq_clear		= qs_irq_clear,
 	.irq_on			= ata_irq_on,
 	.irq_off		= ata_irq_off,
diff -Nrup 05_convert_hsm_to_freeze/drivers/ata/sata_sx4.c 06_add_freeze_thaw_to_lldd/drivers/ata/sata_sx4.c
--- 05_convert_hsm_to_freeze/drivers/ata/sata_sx4.c	2007-06-11 17:25:03.000000000 +0800
+++ 06_add_freeze_thaw_to_lldd/drivers/ata/sata_sx4.c	2007-06-12 14:47:01.000000000 +0800
@@ -203,6 +203,8 @@ static const struct ata_port_operations 
 	.qc_issue		= pdc20621_qc_issue_prot,
 	.data_xfer		= ata_data_xfer,
 	.eng_timeout		= pdc_eng_timeout,
+	.freeze			= ata_bmdma_freeze,
+	.thaw			= ata_bmdma_thaw,
 	.irq_clear		= pdc20621_irq_clear,
 	.irq_on			= ata_irq_on,
 	.irq_off		= ata_irq_off,


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