From 329b611e4f6d897362e1265955e4c617d48af5ec Mon Sep 17 00:00:00 2001
From: Gregory Schlomoff <gregs@eatsa.com>
Date: Mon, 10 Apr 2017 11:04:38 -0700
Subject: [PATCH] stm32: ethernet, flash: tagging some function arguments as
 const

---
 include/libopencm3/ethernet/mac_stm32fxx7.h        | 2 +-
 include/libopencm3/stm32/common/flash_common_f24.h | 2 +-
 lib/ethernet/mac_stm32fxx7.c                       | 2 +-
 lib/stm32/common/flash_common_f24.c                | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/libopencm3/ethernet/mac_stm32fxx7.h b/include/libopencm3/ethernet/mac_stm32fxx7.h
index 881e822a..40bd87c8 100644
--- a/include/libopencm3/ethernet/mac_stm32fxx7.h
+++ b/include/libopencm3/ethernet/mac_stm32fxx7.h
@@ -713,7 +713,7 @@ void eth_smi_bit_op(uint8_t phy, uint8_t reg, uint16_t bits, uint16_t mask);
 void eth_smi_bit_clear(uint8_t phy, uint8_t reg, uint16_t clearbits);
 void eth_smi_bit_set(uint8_t phy, uint8_t reg, uint16_t setbits);
 
-void eth_set_mac(uint8_t *mac);
+void eth_set_mac(const uint8_t *mac);
 void eth_desc_init(uint8_t *buf, uint32_t nTx, uint32_t nRx, uint32_t cTx,
 		    uint32_t cRx, bool isext);
 bool eth_tx(uint8_t *ppkt, uint32_t n);
diff --git a/include/libopencm3/stm32/common/flash_common_f24.h b/include/libopencm3/stm32/common/flash_common_f24.h
index e75f1445..2f9fe26f 100644
--- a/include/libopencm3/stm32/common/flash_common_f24.h
+++ b/include/libopencm3/stm32/common/flash_common_f24.h
@@ -134,7 +134,7 @@ void flash_program_double_word(uint32_t address, uint64_t data);
 void flash_program_word(uint32_t address, uint32_t data);
 void flash_program_half_word(uint32_t address, uint16_t data);
 void flash_program_byte(uint32_t address, uint8_t data);
-void flash_program(uint32_t address, uint8_t *data, uint32_t len);
+void flash_program(uint32_t address, const uint8_t *data, uint32_t len);
 void flash_program_option_bytes(uint32_t data);
 
 END_DECLS
diff --git a/lib/ethernet/mac_stm32fxx7.c b/lib/ethernet/mac_stm32fxx7.c
index 92efafef..2a404b61 100644
--- a/lib/ethernet/mac_stm32fxx7.c
+++ b/lib/ethernet/mac_stm32fxx7.c
@@ -47,7 +47,7 @@ uint32_t RxBD;
  *
  * @param[in] mac uint8_t* Desired MAC
  */
-void eth_set_mac(uint8_t *mac)
+void eth_set_mac(const uint8_t *mac)
 {
 	ETH_MACAHR(0) = ((uint32_t)mac[5] << 8) | (uint32_t)mac[4] |
 			ETH_MACA0HR_MACA0H;
diff --git a/lib/stm32/common/flash_common_f24.c b/lib/stm32/common/flash_common_f24.c
index 4864bd6b..000abff9 100644
--- a/lib/stm32/common/flash_common_f24.c
+++ b/lib/stm32/common/flash_common_f24.c
@@ -330,7 +330,7 @@ was not properly erased.
 @param[in] len Length of data block.
 */
 
-void flash_program(uint32_t address, uint8_t *data, uint32_t len)
+void flash_program(uint32_t address, const uint8_t *data, uint32_t len)
 {
 	/* TODO: Use dword and word size program operations where possible for
 	 * turbo speed.