From 80382da44362f47107e5aab12a7e56f4cc011926 Mon Sep 17 00:00:00 2001
From: Tilman Sauerbeck <tilman@code-monkey.de>
Date: Wed, 8 Jan 2020 12:43:14 +0100
Subject: [PATCH] common: Implement Storage::size() in Mx25l.

---
 src/common/mx25l.rs   | 4 ++++
 src/common/storage.rs | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/src/common/mx25l.rs b/src/common/mx25l.rs
index ea2b8c1..ecc42ba 100644
--- a/src/common/mx25l.rs
+++ b/src/common/mx25l.rs
@@ -157,6 +157,10 @@ impl Mx25l {
 }
 
 impl Storage for Mx25l {
+    fn size(&self) -> usize {
+        2 << 20
+    }
+
     fn read(&self, address: usize, buffer: &mut [u8]) {
         self.with_selected(|| {
             spi::tx8(spi::SPI0, Command::READ as u8);
diff --git a/src/common/storage.rs b/src/common/storage.rs
index c6d3fb7..ebebe79 100644
--- a/src/common/storage.rs
+++ b/src/common/storage.rs
@@ -26,6 +26,8 @@ pub enum Error {
 }
 
 pub trait Storage {
+    fn size(&self) -> usize;
+
     fn read(&self, address: usize, buffer: &mut [u8]);
 
     fn write(&mut self, address: usize, buffer: &[u8; 4096]) -> Result<(), Error>;
-- 
2.30.2