Re: [RESEND PATCH 1/2] arm:omap2+: put omap_uart_phys/virt/lsr in .text section when ZIMAGE is true

2017-06-14 Thread Tony Lindgren 
* Hoeun Ryu  [170613 23:57]:
> On Tue, 2017-06-13 at 22:27 -0700, Tony Lindgren wrote:
> > So I converted all these to use the 8250 debug_ll yesterday
> > which should solve the DEBUG_UNCOMPRESS issue for you and
> > allows us to remove this file. Will post the series shortly
> > for testing with you in Cc after I've done a bit more testing
> > here.
> 
> It sounds good.
> patch 01 is dropped though, are you using the second patch ?
> "[PATCH 2/2] arm:omap2+: drop dependence on DEBUG_OMAP2PLUS_UART for
> DEBUG_UNCOMPRESS"

I folded it into the patch removing all users of DEBUG_OMAP2PLUS_UART
as that seems to make most sense here.

Regards,

Tony

Re: [RESEND PATCH 1/2] arm:omap2+: put omap_uart_phys/virt/lsr in .text section when ZIMAGE is true

2017-06-14 Thread Tony Lindgren 
* Hoeun Ryu  [170613 23:57]:
> On Tue, 2017-06-13 at 22:27 -0700, Tony Lindgren wrote:
> > So I converted all these to use the 8250 debug_ll yesterday
> > which should solve the DEBUG_UNCOMPRESS issue for you and
> > allows us to remove this file. Will post the series shortly
> > for testing with you in Cc after I've done a bit more testing
> > here.
> 
> It sounds good.
> patch 01 is dropped though, are you using the second patch ?
> "[PATCH 2/2] arm:omap2+: drop dependence on DEBUG_OMAP2PLUS_UART for
> DEBUG_UNCOMPRESS"

I folded it into the patch removing all users of DEBUG_OMAP2PLUS_UART
as that seems to make most sense here.

Regards,

Tony

Re: [RESEND PATCH 1/2] arm:omap2+: put omap_uart_phys/virt/lsr in .text section when ZIMAGE is true

2017-06-14 Thread Hoeun Ryu 
On Tue, 2017-06-13 at 22:27 -0700, Tony Lindgren wrote:
> Hi,
> 
> * Hoeun Ryu  [170612 18:18]:
> > 
> > --- a/arch/arm/include/debug/omap2plus.S
> > +++ b/arch/arm/include/debug/omap2plus.S
> > @@ -58,11 +58,22 @@
> >  
> >  #define UART_OFFSET(addr)  ((addr) & 0x00ff)
> >  
> > +/*
> > + * Definition of ZIMAGE is in arch/arm/boot/compressed/Makefile.
> > + * Place the following block in .text section only when this file
> > is
> > + * included by arch/arm/boot/compressed/* to make it possible to
> > + * enable CONFIG_DEBUG_UNCOMPRESS and DEBUG in
> > arch/arm/boot/compressed/head.S
> > + * on OMAP2+ SoCs.
> > + */
> > +#ifndef ZIMAGE
> >     .pushsection .data
> > +#endif
> >  omap_uart_phys:.word   0
> >  omap_uart_virt:.word   0
> >  omap_uart_lsr: .word   0
> > +#ifndef ZIMAGE
> >     .popsection
> > +#endif
> So I converted all these to use the 8250 debug_ll yesterday
> which should solve the DEBUG_UNCOMPRESS issue for you and
> allows us to remove this file. Will post the series shortly
> for testing with you in Cc after I've done a bit more testing
> here.

It sounds good.
patch 01 is dropped though, are you using the second patch ?
"[PATCH 2/2] arm:omap2+: drop dependence on DEBUG_OMAP2PLUS_UART for
DEBUG_UNCOMPRESS"

Thank you.

> 
> Regards,
> 
> Tony

Re: [RESEND PATCH 1/2] arm:omap2+: put omap_uart_phys/virt/lsr in .text section when ZIMAGE is true

2017-06-14 Thread Hoeun Ryu 
On Tue, 2017-06-13 at 22:27 -0700, Tony Lindgren wrote:
> Hi,
> 
> * Hoeun Ryu  [170612 18:18]:
> > 
> > --- a/arch/arm/include/debug/omap2plus.S
> > +++ b/arch/arm/include/debug/omap2plus.S
> > @@ -58,11 +58,22 @@
> >  
> >  #define UART_OFFSET(addr)  ((addr) & 0x00ff)
> >  
> > +/*
> > + * Definition of ZIMAGE is in arch/arm/boot/compressed/Makefile.
> > + * Place the following block in .text section only when this file
> > is
> > + * included by arch/arm/boot/compressed/* to make it possible to
> > + * enable CONFIG_DEBUG_UNCOMPRESS and DEBUG in
> > arch/arm/boot/compressed/head.S
> > + * on OMAP2+ SoCs.
> > + */
> > +#ifndef ZIMAGE
> >     .pushsection .data
> > +#endif
> >  omap_uart_phys:.word   0
> >  omap_uart_virt:.word   0
> >  omap_uart_lsr: .word   0
> > +#ifndef ZIMAGE
> >     .popsection
> > +#endif
> So I converted all these to use the 8250 debug_ll yesterday
> which should solve the DEBUG_UNCOMPRESS issue for you and
> allows us to remove this file. Will post the series shortly
> for testing with you in Cc after I've done a bit more testing
> here.

It sounds good.
patch 01 is dropped though, are you using the second patch ?
"[PATCH 2/2] arm:omap2+: drop dependence on DEBUG_OMAP2PLUS_UART for
DEBUG_UNCOMPRESS"

Thank you.

> 
> Regards,
> 
> Tony

Re: [RESEND PATCH 1/2] arm:omap2+: put omap_uart_phys/virt/lsr in .text section when ZIMAGE is true

2017-06-13 Thread Tony Lindgren 
Hi,

* Hoeun Ryu  [170612 18:18]:
> --- a/arch/arm/include/debug/omap2plus.S
> +++ b/arch/arm/include/debug/omap2plus.S
> @@ -58,11 +58,22 @@
>  
>  #define UART_OFFSET(addr)((addr) & 0x00ff)
>  
> +/*
> + * Definition of ZIMAGE is in arch/arm/boot/compressed/Makefile.
> + * Place the following block in .text section only when this file is
> + * included by arch/arm/boot/compressed/* to make it possible to
> + * enable CONFIG_DEBUG_UNCOMPRESS and DEBUG in 
> arch/arm/boot/compressed/head.S
> + * on OMAP2+ SoCs.
> + */
> +#ifndef ZIMAGE
>   .pushsection .data
> +#endif
>  omap_uart_phys:  .word   0
>  omap_uart_virt:  .word   0
>  omap_uart_lsr:   .word   0
> +#ifndef ZIMAGE
>   .popsection
> +#endif

So I converted all these to use the 8250 debug_ll yesterday
which should solve the DEBUG_UNCOMPRESS issue for you and
allows us to remove this file. Will post the series shortly
for testing with you in Cc after I've done a bit more testing
here.

Regards,

Tony

Re: [RESEND PATCH 1/2] arm:omap2+: put omap_uart_phys/virt/lsr in .text section when ZIMAGE is true

2017-06-13 Thread Tony Lindgren 
Hi,

* Hoeun Ryu  [170612 18:18]:
> --- a/arch/arm/include/debug/omap2plus.S
> +++ b/arch/arm/include/debug/omap2plus.S
> @@ -58,11 +58,22 @@
>  
>  #define UART_OFFSET(addr)((addr) & 0x00ff)
>  
> +/*
> + * Definition of ZIMAGE is in arch/arm/boot/compressed/Makefile.
> + * Place the following block in .text section only when this file is
> + * included by arch/arm/boot/compressed/* to make it possible to
> + * enable CONFIG_DEBUG_UNCOMPRESS and DEBUG in 
> arch/arm/boot/compressed/head.S
> + * on OMAP2+ SoCs.
> + */
> +#ifndef ZIMAGE
>   .pushsection .data
> +#endif
>  omap_uart_phys:  .word   0
>  omap_uart_virt:  .word   0
>  omap_uart_lsr:   .word   0
> +#ifndef ZIMAGE
>   .popsection
> +#endif

So I converted all these to use the 8250 debug_ll yesterday
which should solve the DEBUG_UNCOMPRESS issue for you and
allows us to remove this file. Will post the series shortly
for testing with you in Cc after I've done a bit more testing
here.

Regards,

Tony

Re: [PATCH 1/2] arm:omap2+: put omap_uart_phys/virt/lsr in .text section when ZIMAGE is true

2017-06-13 Thread Tony Lindgren 
* Russell King - ARM Linux  [170610 03:24]:
> On Sat, Jun 10, 2017 at 01:44:00PM +0900, Hoeun Ryu wrote:
> > Hello, Russell.
> > 
> > Would you please review this patch ?
> 
> It's really up to Tony Lindgren, who is the OMAP maintainer.

I'll take a look today. I think we can simplify things quite
a bit as we no longer use machine type for configuring the
UART.

Regards,

Tony

Re: [PATCH 1/2] arm:omap2+: put omap_uart_phys/virt/lsr in .text section when ZIMAGE is true

2017-06-13 Thread Tony Lindgren 
* Russell King - ARM Linux  [170610 03:24]:
> On Sat, Jun 10, 2017 at 01:44:00PM +0900, Hoeun Ryu wrote:
> > Hello, Russell.
> > 
> > Would you please review this patch ?
> 
> It's really up to Tony Lindgren, who is the OMAP maintainer.

I'll take a look today. I think we can simplify things quite
a bit as we no longer use machine type for configuring the
UART.

Regards,

Tony

[RESEND PATCH 1/2] arm:omap2+: put omap_uart_phys/virt/lsr in .text section when ZIMAGE is true

2017-06-12 Thread Hoeun Ryu 
 omap_uart_phys, omap_uart_virt and omap_uart_lsr reside in .data section
and it's right implementation. But because of this, we cannot enable
CONFIG_DEBUG_UNCOMPRESS. LL_DEBUG and DEBUG_UNCOMPRESS are very useful tools
for debugging early boot stage when something goes wrong if you don't have
any hardware based debugging tools like a JTAG debugger.
 This patch is to put the variables into .text section instead only when the
DEBUG_LL_INCLUDE file is included in the kernel decompressor, which is only
when ZIMAGE is defined.
 This patch does not change anything when DEBUG_LL_INCLUDE is included in
the other kernel parts like arch/arm/kernel/*

Signed-off-by: Hoeun Ryu 
---
 * to mail to relevant recipients, no respond yet from them
   - TO=Tony Lindgren 
   - CC=linux-o...@vger.kernel.org
 * indentical to previous patch

 arch/arm/include/debug/omap2plus.S | 11 +++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm/include/debug/omap2plus.S 
b/arch/arm/include/debug/omap2plus.S
index 6d867ae..6ce6ef9 100644
--- a/arch/arm/include/debug/omap2plus.S
+++ b/arch/arm/include/debug/omap2plus.S
@@ -58,11 +58,22 @@
 
 #define UART_OFFSET(addr)  ((addr) & 0x00ff)
 
+/*
+ * Definition of ZIMAGE is in arch/arm/boot/compressed/Makefile.
+ * Place the following block in .text section only when this file is
+ * included by arch/arm/boot/compressed/* to make it possible to
+ * enable CONFIG_DEBUG_UNCOMPRESS and DEBUG in arch/arm/boot/compressed/head.S
+ * on OMAP2+ SoCs.
+ */
+#ifndef ZIMAGE
.pushsection .data
+#endif
 omap_uart_phys:.word   0
 omap_uart_virt:.word   0
 omap_uart_lsr: .word   0
+#ifndef ZIMAGE
.popsection
+#endif
 
.macro  addruart, rp, rv, tmp
 
-- 
2.7.4

[RESEND PATCH 1/2] arm:omap2+: put omap_uart_phys/virt/lsr in .text section when ZIMAGE is true

2017-06-12 Thread Hoeun Ryu 
 omap_uart_phys, omap_uart_virt and omap_uart_lsr reside in .data section
and it's right implementation. But because of this, we cannot enable
CONFIG_DEBUG_UNCOMPRESS. LL_DEBUG and DEBUG_UNCOMPRESS are very useful tools
for debugging early boot stage when something goes wrong if you don't have
any hardware based debugging tools like a JTAG debugger.
 This patch is to put the variables into .text section instead only when the
DEBUG_LL_INCLUDE file is included in the kernel decompressor, which is only
when ZIMAGE is defined.
 This patch does not change anything when DEBUG_LL_INCLUDE is included in
the other kernel parts like arch/arm/kernel/*

Signed-off-by: Hoeun Ryu 
---
 * to mail to relevant recipients, no respond yet from them
   - TO=Tony Lindgren 
   - CC=linux-o...@vger.kernel.org
 * indentical to previous patch

 arch/arm/include/debug/omap2plus.S | 11 +++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm/include/debug/omap2plus.S 
b/arch/arm/include/debug/omap2plus.S
index 6d867ae..6ce6ef9 100644
--- a/arch/arm/include/debug/omap2plus.S
+++ b/arch/arm/include/debug/omap2plus.S
@@ -58,11 +58,22 @@
 
 #define UART_OFFSET(addr)  ((addr) & 0x00ff)
 
+/*
+ * Definition of ZIMAGE is in arch/arm/boot/compressed/Makefile.
+ * Place the following block in .text section only when this file is
+ * included by arch/arm/boot/compressed/* to make it possible to
+ * enable CONFIG_DEBUG_UNCOMPRESS and DEBUG in arch/arm/boot/compressed/head.S
+ * on OMAP2+ SoCs.
+ */
+#ifndef ZIMAGE
.pushsection .data
+#endif
 omap_uart_phys:.word   0
 omap_uart_virt:.word   0
 omap_uart_lsr: .word   0
+#ifndef ZIMAGE
.popsection
+#endif
 
.macro  addruart, rp, rv, tmp
 
-- 
2.7.4

Re: [PATCH 1/2] arm:omap2+: put omap_uart_phys/virt/lsr in .text section when ZIMAGE is true

2017-06-10 Thread Russell King - ARM Linux 
On Sat, Jun 10, 2017 at 01:44:00PM +0900, Hoeun Ryu wrote:
> Hello, Russell.
> 
> Would you please review this patch ?

It's really up to Tony Lindgren, who is the OMAP maintainer.

> 
> Than you
> 
> > On Jun 8, 2017, at 11:16 AM, Hoeun Ryu  wrote:
> > 
> > omap_uart_phys, omap_uart_virt and omap_uart_lsr reside in .data section
> > and it's right implementation. But because of this, we cannot enable
> > CONFIG_DEBUG_UNCOMPRESS. LL_DEBUG and DEBUG_UNCOMPRESS are very useful tools
> > for debugging early boot stage when something goes wrong if you don't have
> > any hardware based debugging tools like a JTAG debugger.
> > This patch is to put the variables into .text section instead only when the
> > DEBUG_LL_INCLUDE file is included in the kernel decompressor, which is only
> > when ZIMAGE is defined.
> > This patch does not change anything when DEBUG_LL_INCLUDE is included in
> > the other kernel parts like arch/arm/kernel/*
> > 
> > Signed-off-by: Hoeun Ryu 
> > ---
> > arch/arm/include/debug/omap2plus.S | 11 +++
> > 1 file changed, 11 insertions(+)
> > 
> > diff --git a/arch/arm/include/debug/omap2plus.S 
> > b/arch/arm/include/debug/omap2plus.S
> > index 6d867ae..6ce6ef9 100644
> > --- a/arch/arm/include/debug/omap2plus.S
> > +++ b/arch/arm/include/debug/omap2plus.S
> > @@ -58,11 +58,22 @@
> > 
> > #define UART_OFFSET(addr)((addr) & 0x00ff)
> > 
> > +/*
> > + * Definition of ZIMAGE is in arch/arm/boot/compressed/Makefile.
> > + * Place the following block in .text section only when this file is
> > + * included by arch/arm/boot/compressed/* to make it possible to
> > + * enable CONFIG_DEBUG_UNCOMPRESS and DEBUG in 
> > arch/arm/boot/compressed/head.S
> > + * on OMAP2+ SoCs.
> > + */
> > +#ifndef ZIMAGE
> >.pushsection .data
> > +#endif
> > omap_uart_phys:.word0
> > omap_uart_virt:.word0
> > omap_uart_lsr:.word0
> > +#ifndef ZIMAGE
> >.popsection
> > +#endif
> > 
> >.macroaddruart, rp, rv, tmp
> > 
> > -- 
> > 2.7.4
> > 

-- 
RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
according to speedtest.net.

Re: [PATCH 1/2] arm:omap2+: put omap_uart_phys/virt/lsr in .text section when ZIMAGE is true

2017-06-10 Thread Russell King - ARM Linux 
On Sat, Jun 10, 2017 at 01:44:00PM +0900, Hoeun Ryu wrote:
> Hello, Russell.
> 
> Would you please review this patch ?

It's really up to Tony Lindgren, who is the OMAP maintainer.

> 
> Than you
> 
> > On Jun 8, 2017, at 11:16 AM, Hoeun Ryu  wrote:
> > 
> > omap_uart_phys, omap_uart_virt and omap_uart_lsr reside in .data section
> > and it's right implementation. But because of this, we cannot enable
> > CONFIG_DEBUG_UNCOMPRESS. LL_DEBUG and DEBUG_UNCOMPRESS are very useful tools
> > for debugging early boot stage when something goes wrong if you don't have
> > any hardware based debugging tools like a JTAG debugger.
> > This patch is to put the variables into .text section instead only when the
> > DEBUG_LL_INCLUDE file is included in the kernel decompressor, which is only
> > when ZIMAGE is defined.
> > This patch does not change anything when DEBUG_LL_INCLUDE is included in
> > the other kernel parts like arch/arm/kernel/*
> > 
> > Signed-off-by: Hoeun Ryu 
> > ---
> > arch/arm/include/debug/omap2plus.S | 11 +++
> > 1 file changed, 11 insertions(+)
> > 
> > diff --git a/arch/arm/include/debug/omap2plus.S 
> > b/arch/arm/include/debug/omap2plus.S
> > index 6d867ae..6ce6ef9 100644
> > --- a/arch/arm/include/debug/omap2plus.S
> > +++ b/arch/arm/include/debug/omap2plus.S
> > @@ -58,11 +58,22 @@
> > 
> > #define UART_OFFSET(addr)((addr) & 0x00ff)
> > 
> > +/*
> > + * Definition of ZIMAGE is in arch/arm/boot/compressed/Makefile.
> > + * Place the following block in .text section only when this file is
> > + * included by arch/arm/boot/compressed/* to make it possible to
> > + * enable CONFIG_DEBUG_UNCOMPRESS and DEBUG in 
> > arch/arm/boot/compressed/head.S
> > + * on OMAP2+ SoCs.
> > + */
> > +#ifndef ZIMAGE
> >.pushsection .data
> > +#endif
> > omap_uart_phys:.word0
> > omap_uart_virt:.word0
> > omap_uart_lsr:.word0
> > +#ifndef ZIMAGE
> >.popsection
> > +#endif
> > 
> >.macroaddruart, rp, rv, tmp
> > 
> > -- 
> > 2.7.4
> > 

-- 
RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
according to speedtest.net.

Re: [PATCH 1/2] arm:omap2+: put omap_uart_phys/virt/lsr in .text section when ZIMAGE is true

2017-06-09 Thread Hoeun Ryu 
Hello, Russell.

Would you please review this patch ?

Than you

> On Jun 8, 2017, at 11:16 AM, Hoeun Ryu  wrote:
> 
> omap_uart_phys, omap_uart_virt and omap_uart_lsr reside in .data section
> and it's right implementation. But because of this, we cannot enable
> CONFIG_DEBUG_UNCOMPRESS. LL_DEBUG and DEBUG_UNCOMPRESS are very useful tools
> for debugging early boot stage when something goes wrong if you don't have
> any hardware based debugging tools like a JTAG debugger.
> This patch is to put the variables into .text section instead only when the
> DEBUG_LL_INCLUDE file is included in the kernel decompressor, which is only
> when ZIMAGE is defined.
> This patch does not change anything when DEBUG_LL_INCLUDE is included in
> the other kernel parts like arch/arm/kernel/*
> 
> Signed-off-by: Hoeun Ryu 
> ---
> arch/arm/include/debug/omap2plus.S | 11 +++
> 1 file changed, 11 insertions(+)
> 
> diff --git a/arch/arm/include/debug/omap2plus.S 
> b/arch/arm/include/debug/omap2plus.S
> index 6d867ae..6ce6ef9 100644
> --- a/arch/arm/include/debug/omap2plus.S
> +++ b/arch/arm/include/debug/omap2plus.S
> @@ -58,11 +58,22 @@
> 
> #define UART_OFFSET(addr)((addr) & 0x00ff)
> 
> +/*
> + * Definition of ZIMAGE is in arch/arm/boot/compressed/Makefile.
> + * Place the following block in .text section only when this file is
> + * included by arch/arm/boot/compressed/* to make it possible to
> + * enable CONFIG_DEBUG_UNCOMPRESS and DEBUG in 
> arch/arm/boot/compressed/head.S
> + * on OMAP2+ SoCs.
> + */
> +#ifndef ZIMAGE
>.pushsection .data
> +#endif
> omap_uart_phys:.word0
> omap_uart_virt:.word0
> omap_uart_lsr:.word0
> +#ifndef ZIMAGE
>.popsection
> +#endif
> 
>.macroaddruart, rp, rv, tmp
> 
> -- 
> 2.7.4
>

Re: [PATCH 1/2] arm:omap2+: put omap_uart_phys/virt/lsr in .text section when ZIMAGE is true

2017-06-09 Thread Hoeun Ryu 
Hello, Russell.

Would you please review this patch ?

Than you

> On Jun 8, 2017, at 11:16 AM, Hoeun Ryu  wrote:
> 
> omap_uart_phys, omap_uart_virt and omap_uart_lsr reside in .data section
> and it's right implementation. But because of this, we cannot enable
> CONFIG_DEBUG_UNCOMPRESS. LL_DEBUG and DEBUG_UNCOMPRESS are very useful tools
> for debugging early boot stage when something goes wrong if you don't have
> any hardware based debugging tools like a JTAG debugger.
> This patch is to put the variables into .text section instead only when the
> DEBUG_LL_INCLUDE file is included in the kernel decompressor, which is only
> when ZIMAGE is defined.
> This patch does not change anything when DEBUG_LL_INCLUDE is included in
> the other kernel parts like arch/arm/kernel/*
> 
> Signed-off-by: Hoeun Ryu 
> ---
> arch/arm/include/debug/omap2plus.S | 11 +++
> 1 file changed, 11 insertions(+)
> 
> diff --git a/arch/arm/include/debug/omap2plus.S 
> b/arch/arm/include/debug/omap2plus.S
> index 6d867ae..6ce6ef9 100644
> --- a/arch/arm/include/debug/omap2plus.S
> +++ b/arch/arm/include/debug/omap2plus.S
> @@ -58,11 +58,22 @@
> 
> #define UART_OFFSET(addr)((addr) & 0x00ff)
> 
> +/*
> + * Definition of ZIMAGE is in arch/arm/boot/compressed/Makefile.
> + * Place the following block in .text section only when this file is
> + * included by arch/arm/boot/compressed/* to make it possible to
> + * enable CONFIG_DEBUG_UNCOMPRESS and DEBUG in 
> arch/arm/boot/compressed/head.S
> + * on OMAP2+ SoCs.
> + */
> +#ifndef ZIMAGE
>.pushsection .data
> +#endif
> omap_uart_phys:.word0
> omap_uart_virt:.word0
> omap_uart_lsr:.word0
> +#ifndef ZIMAGE
>.popsection
> +#endif
> 
>.macroaddruart, rp, rv, tmp
> 
> -- 
> 2.7.4
>

[PATCH 1/2] arm:omap2+: put omap_uart_phys/virt/lsr in .text section when ZIMAGE is true

2017-06-07 Thread Hoeun Ryu 
 omap_uart_phys, omap_uart_virt and omap_uart_lsr reside in .data section
and it's right implementation. But because of this, we cannot enable
CONFIG_DEBUG_UNCOMPRESS. LL_DEBUG and DEBUG_UNCOMPRESS are very useful tools
for debugging early boot stage when something goes wrong if you don't have
any hardware based debugging tools like a JTAG debugger.
 This patch is to put the variables into .text section instead only when the
DEBUG_LL_INCLUDE file is included in the kernel decompressor, which is only
when ZIMAGE is defined.
 This patch does not change anything when DEBUG_LL_INCLUDE is included in
the other kernel parts like arch/arm/kernel/*

Signed-off-by: Hoeun Ryu 
---
 arch/arm/include/debug/omap2plus.S | 11 +++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm/include/debug/omap2plus.S 
b/arch/arm/include/debug/omap2plus.S
index 6d867ae..6ce6ef9 100644
--- a/arch/arm/include/debug/omap2plus.S
+++ b/arch/arm/include/debug/omap2plus.S
@@ -58,11 +58,22 @@
 
 #define UART_OFFSET(addr)  ((addr) & 0x00ff)
 
+/*
+ * Definition of ZIMAGE is in arch/arm/boot/compressed/Makefile.
+ * Place the following block in .text section only when this file is
+ * included by arch/arm/boot/compressed/* to make it possible to
+ * enable CONFIG_DEBUG_UNCOMPRESS and DEBUG in arch/arm/boot/compressed/head.S
+ * on OMAP2+ SoCs.
+ */
+#ifndef ZIMAGE
.pushsection .data
+#endif
 omap_uart_phys:.word   0
 omap_uart_virt:.word   0
 omap_uart_lsr: .word   0
+#ifndef ZIMAGE
.popsection
+#endif
 
.macro  addruart, rp, rv, tmp
 
-- 
2.7.4

[PATCH 1/2] arm:omap2+: put omap_uart_phys/virt/lsr in .text section when ZIMAGE is true

2017-06-07 Thread Hoeun Ryu 
 omap_uart_phys, omap_uart_virt and omap_uart_lsr reside in .data section
and it's right implementation. But because of this, we cannot enable
CONFIG_DEBUG_UNCOMPRESS. LL_DEBUG and DEBUG_UNCOMPRESS are very useful tools
for debugging early boot stage when something goes wrong if you don't have
any hardware based debugging tools like a JTAG debugger.
 This patch is to put the variables into .text section instead only when the
DEBUG_LL_INCLUDE file is included in the kernel decompressor, which is only
when ZIMAGE is defined.
 This patch does not change anything when DEBUG_LL_INCLUDE is included in
the other kernel parts like arch/arm/kernel/*

Signed-off-by: Hoeun Ryu 
---
 arch/arm/include/debug/omap2plus.S | 11 +++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm/include/debug/omap2plus.S 
b/arch/arm/include/debug/omap2plus.S
index 6d867ae..6ce6ef9 100644
--- a/arch/arm/include/debug/omap2plus.S
+++ b/arch/arm/include/debug/omap2plus.S
@@ -58,11 +58,22 @@
 
 #define UART_OFFSET(addr)  ((addr) & 0x00ff)
 
+/*
+ * Definition of ZIMAGE is in arch/arm/boot/compressed/Makefile.
+ * Place the following block in .text section only when this file is
+ * included by arch/arm/boot/compressed/* to make it possible to
+ * enable CONFIG_DEBUG_UNCOMPRESS and DEBUG in arch/arm/boot/compressed/head.S
+ * on OMAP2+ SoCs.
+ */
+#ifndef ZIMAGE
.pushsection .data
+#endif
 omap_uart_phys:.word   0
 omap_uart_virt:.word   0
 omap_uart_lsr: .word   0
+#ifndef ZIMAGE
.popsection
+#endif
 
.macro  addruart, rp, rv, tmp
 
-- 
2.7.4